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PHYSICS (578 journals)

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Journal Cover Physical Review X
  [SJR: 5.04]   [H-I: 38]   [10 followers]  Follow
    
  This is an Open Access Journal Open Access journal
   ISSN (Online) 2160-3308
   Published by APS Homepage  [11 journals]
  • Shape and Symmetry Determine Two-Dimensional Melting Transitions of Hard
           Regular Polygons

    • Authors: Joshua A. Anderson; James Antonaglia, Jaime A. Millan, Michael Engel, Sharon C. Glotzer
      First page: 021001
      Abstract: Author(s): Joshua A. Anderson, James Antonaglia, Jaime A. Millan, Michael Engel, and Sharon C. Glotzer
      Not much is known about what shapes of molecules lead to an x-atic phase, an exotic phase of two-dimensional matter that shares properties of both fluids and solids. A new set of simulations investigates the behavior of a range of polygon-shaped particles and shows how body symmetry influences these phase transitions.
      [Phys. Rev. X 7, 021001] Published Wed Apr 05, 2017
      Citation: Phys. Rev. X 7, 021001 (2017)
      PubDate: 2017-04-05T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.021001
      Issue No: Vol. 7, No. 2 (2017)
       
  • Brownian yet Non-Gaussian Diffusion: From Superstatistics to Subordination
           of Diffusing Diffusivities

    • Authors: Aleksei V. Chechkin; Flavio Seno, Ralf Metzler, Igor M. Sokolov
      First page: 021002
      Abstract: Author(s): Aleksei V. Chechkin, Flavio Seno, Ralf Metzler, and Igor M. Sokolov
      Brownian motion—the random movement of microscopic particles in a fluid—usually gives rise to a Gaussian probability of finding a particle at a particular place at a specific time. But in some situations, this probability behaves differently. A new mathematical model shows how to reconcile this behavior with other hallmarks of Brownian motion.
      [Phys. Rev. X 7, 021002] Published Wed Apr 05, 2017
      Citation: Phys. Rev. X 7, 021002 (2017)
      PubDate: 2017-04-05T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.021002
      Issue No: Vol. 7, No. 2 (2017)
       
  • Quantum and Information Thermodynamics: A Unifying Framework Based on
           Repeated Interactions

    • Authors: Philipp Strasberg; Gernot Schaller, Tobias Brandes, Massimiliano Esposito
      First page: 021003
      Abstract: Author(s): Philipp Strasberg, Gernot Schaller, Tobias Brandes, and Massimiliano Esposito
      Nanomachines are subject to random thermal and quantum fluctuations that are not captured by traditional thermodynamic theory. A new theoretical investigation offers a step toward a unified nanoscale theory by showing how externally prepared systems (e.g., atoms in an optical cavity or DNA bases in an enzyme reaction) that interact with a nanoscopic device can be a source of nonequilbrium free energy.
      [Phys. Rev. X 7, 021003] Published Fri Apr 07, 2017
      Citation: Phys. Rev. X 7, 021003 (2017)
      PubDate: 2017-04-07T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.021003
      Issue No: Vol. 7, No. 2 (2017)
       
  • Thermodynamics of Computational Copying in Biochemical Systems

    • Authors: Thomas E. Ouldridge; Christopher C. Govern, Pieter Rein ten Wolde
      First page: 021004
      Abstract: Author(s): Thomas E. Ouldridge, Christopher C. Govern, and Pieter Rein ten Wolde
      Both computers and living cells copy information, but doing so comes at a cost of energy. A new theoretical analysis shows that biological systems come close to but do not reach the predicted lower bound on this energy, and that the cost increases as copying becomes more accurate.
      [Phys. Rev. X 7, 021004] Published Fri Apr 07, 2017
      Citation: Phys. Rev. X 7, 021004 (2017)
      PubDate: 2017-04-07T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.021004
      Issue No: Vol. 7, No. 2 (2017)
       
  • Energy as a Detector of Nonlocality of Many-Body Spin Systems

    • Authors: J. Tura; G. De las Cuevas, R. Augusiak, M. Lewenstein, A. Acín, J. I. Cirac
      First page: 021005
      Abstract: Author(s): J. Tura, G. De las Cuevas, R. Augusiak, M. Lewenstein, A. Acín, and J. I. Cirac
      Nonlocal correlations—correlations among atomic particles that cannot be described classically and that are stronger than those accounted for by entanglement—are of fundamental interest to physicists, but remain difficult to characterize in many-body systems. A new theoretical analysis shows that the ground states of spin Hamiltonians in some systems can exhibit nonlocal correlations.
      [Phys. Rev. X 7, 021005] Published Mon Apr 10, 2017
      Citation: Phys. Rev. X 7, 021005 (2017)
      PubDate: 2017-04-10T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.021005
      Issue No: Vol. 7, No. 2 (2017)
       
  • Efficient Quantum Pseudorandomness with Nearly Time-Independent
           Hamiltonian Dynamics

    • Authors: Yoshifumi Nakata; Christoph Hirche, Masato Koashi, Andreas Winter
      First page: 021006
      Abstract: Author(s): Yoshifumi Nakata, Christoph Hirche, Masato Koashi, and Andreas Winter
      Methods for generating quantum pseudorandomness are essential to understanding randomness in many quantum phenomena, but have not been fully explored. A new analysis shows that quantum pseudorandomness can appear spontaneously in certain many-body systems, leading to a prescription for developing quantum circuits that generate pseudorandomness.
      [Phys. Rev. X 7, 021006] Published Mon Apr 10, 2017
      Citation: Phys. Rev. X 7, 021006 (2017)
      PubDate: 2017-04-10T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.021006
      Issue No: Vol. 7, No. 2 (2017)
       
  • Entropy Production in Field Theories without Time-Reversal Symmetry:
           Quantifying the Non-Equilibrium Character of Active Matter

    • Authors: Cesare Nardini; Étienne Fodor, Elsen Tjhung, Frédéric van Wijland, Julien Tailleur, Michael E. Cates
      First page: 021007
      Abstract: Author(s): Cesare Nardini, Étienne Fodor, Elsen Tjhung, Frédéric van Wijland, Julien Tailleur, and Michael E. Cates
      Active matter systems, composed of individual agents that use energy to self-propel, operate far from thermal equilibrium. But markers of nonequilibrium at macroscopic scales are often elusive. A new theoretical analysis shows how to diagnose large-scale breakdowns in time-reversal symmetry, which is a key property of nonequilibrium.
      [Phys. Rev. X 7, 021007] Published Tue Apr 18, 2017
      Citation: Phys. Rev. X 7, 021007 (2017)
      PubDate: 2017-04-18T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.021007
      Issue No: Vol. 7, No. 2 (2017)
       
  • Improving Broadband Displacement Detection with Quantum Correlations

    • Authors: N. S. Kampel; R. W. Peterson, R. Fischer, P.-L. Yu, K. Cicak, R. W. Simmonds, K. W. Lehnert, C. A. Regal
      First page: 021008
      Abstract: Author(s): N. S. Kampel, R. W. Peterson, R. Fischer, P.-L. Yu, K. Cicak, R. W. Simmonds, K. W. Lehnert, and C. A. Regal
      Ultraprecise measurements of displacement and force can run into a limit on precision due to random forces imparted by the photons used for the measurement. An investigation into a technique for modifying the readout of an interferometer to avoid these limits demonstrates sensitivity improvements.
      [Phys. Rev. X 7, 021008] Published Tue Apr 18, 2017
      Citation: Phys. Rev. X 7, 021008 (2017)
      PubDate: 2017-04-18T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.021008
      Issue No: Vol. 7, No. 2 (2017)
       
  • Magnon Accumulation by Clocked Laser Excitation as Source of Long-Range
           Spin Waves in Transparent Magnetic Films

    • Authors: M. Jäckl; V. I. Belotelov, I. A. Akimov, I. V. Savochkin, D. R. Yakovlev, A. K. Zvezdin, M. Bayer
      First page: 021009
      Abstract: Author(s): M. Jäckl, V. I. Belotelov, I. A. Akimov, I. V. Savochkin, D. R. Yakovlev, A. K. Zvezdin, and M. Bayer
      Magnetization waves (or spin waves) are an intriguing alternative to charge currents in computation and data processing. A new experiment shows how a series of ultrashort laser pulses can be used to generate spin waves, a method that has many advantages over conventional means.
      [Phys. Rev. X 7, 021009] Published Wed Apr 19, 2017
      Citation: Phys. Rev. X 7, 021009 (2017)
      PubDate: 2017-04-19T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.021009
      Issue No: Vol. 7, No. 2 (2017)
       
  • Exact Critical Exponents for the Antiferromagnetic Quantum Critical Metal
           in Two Dimensions

    • Authors: Andres Schlief; Peter Lunts, Sung-Sik Lee
      First page: 021010
      Abstract: Author(s): Andres Schlief, Peter Lunts, and Sung-Sik Lee
      Strange metals, which exhibit unusual changes in physical properties such as electrical resistance and heat capacity in response to temperature, are difficult to understand with current theoretical tools. A new analysis provides the exact solution to a theory that describes two-dimensional strange metals that arise as a metal transitions to a magnet.
      [Phys. Rev. X 7, 021010] Published Thu Apr 20, 2017
      Citation: Phys. Rev. X 7, 021010 (2017)
      PubDate: 2017-04-20T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.021010
      Issue No: Vol. 7, No. 2 (2017)
       
  • Josephson Radiation from Gapless Andreev Bound States in HgTe-Based
           Topological Junctions

    • Authors: R. S. Deacon; J. Wiedenmann, E. Bocquillon, F. Domínguez, T. M. Klapwijk, P. Leubner, C. Brüne, E. M. Hankiewicz, S. Tarucha, K. Ishibashi, H. Buhmann, L. W. Molenkamp
      First page: 021011
      Abstract: Author(s): R. S. Deacon, J. Wiedenmann, E. Bocquillon, F. Domínguez, T. M. Klapwijk, P. Leubner, C. Brüne, E. M. Hankiewicz, S. Tarucha, K. Ishibashi, H. Buhmann, and L. W. Molenkamp
      Majorana particles, which are their own antiparticles, offer great potential for future quantum computers, but significant experimental challenges hamper proof of their existence and properties. New measurements of electrical supercurrents in an HgTe quantum well provide a way to gain insight into the induced superconductivity required for these experiments.
      [Phys. Rev. X 7, 021011] Published Thu Apr 20, 2017
      Citation: Phys. Rev. X 7, 021011 (2017)
      PubDate: 2017-04-20T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.021011
      Issue No: Vol. 7, No. 2 (2017)
       
  • Emergent Eigenstate Solution to Quantum Dynamics Far from Equilibrium

    • Authors: Lev Vidmar; Deepak Iyer, Marcos Rigol
      First page: 021012
      Abstract: Author(s): Lev Vidmar, Deepak Iyer, and Marcos Rigol
      Quantum systems that are far from equilibrium can exhibit strange behavior, such as the emergence of coherence in an expanding Bose gas in an optical lattice. A theoretical analysis provides new insight into this phenomenon and a toolkit for understanding a wide range of similar phenomena.
      [Phys. Rev. X 7, 021012] Published Tue Apr 25, 2017
      Citation: Phys. Rev. X 7, 021012 (2017)
      PubDate: 2017-04-25T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.021012
      Issue No: Vol. 7, No. 2 (2017)
       
  • Critical Properties of the Many-Body Localization Transition

    • Authors: Vedika Khemani; S. P. Lim, D. N. Sheng, David A. Huse
      First page: 021013
      Abstract: Author(s): Vedika Khemani, S. P. Lim, D. N. Sheng, and David A. Huse
      Some quantum systems can enter a many-body localized (MBL) phase, where the particles do not settle into thermal equilibrium but remain stuck in some initial state. A new theoretical analysis explores the transition between MBL and thermal phases and finds that the transition is driven by the growth of a network of quantum entanglement.
      [Phys. Rev. X 7, 021013] Published Tue Apr 25, 2017
      Citation: Phys. Rev. X 7, 021013 (2017)
      PubDate: 2017-04-25T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.021013
      Issue No: Vol. 7, No. 2 (2017)
       
  • Coherent Coupling of a Single Molecule to a Scanning Fabry-Perot
           Microcavity

    • Authors: Daqing Wang; Hrishikesh Kelkar, Diego Martin-Cano, Tobias Utikal, Stephan Götzinger, Vahid Sandoghdar
      First page: 021014
      Abstract: Author(s): Daqing Wang, Hrishikesh Kelkar, Diego Martin-Cano, Tobias Utikal, Stephan Götzinger, and Vahid Sandoghdar
      Efficient interactions between photons and atoms are an essential ingredient for future quantum networks. A new experiment uses an optical resonator to create enhanced coupling between light and a single organic dye molecule.
      [Phys. Rev. X 7, 021014] Published Wed Apr 26, 2017
      Citation: Phys. Rev. X 7, 021014 (2017)
      PubDate: 2017-04-26T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.021014
      Issue No: Vol. 7, No. 2 (2017)
       
  • Parametric Instability Rates in Periodically Driven Band Systems

    • Authors: S. Lellouch; M. Bukov, E. Demler, N. Goldman
      First page: 021015
      Abstract: Author(s): S. Lellouch, M. Bukov, E. Demler, and N. Goldman
      Driving a quantum liquid—by subjecting it to some external force—can generate exotic phases of matter, but such phases are unstable. A suite of mathematical methods reveals the origins of these instabilities and identifies physical manifestations that can be observed in current experiments.
      [Phys. Rev. X 7, 021015] Published Fri May 05, 2017
      Citation: Phys. Rev. X 7, 021015 (2017)
      PubDate: 2017-05-05T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.021015
      Issue No: Vol. 7, No. 2 (2017)
       
  • Hot Electrons Regain Coherence in Semiconducting Nanowires

    • Authors: Jonathan Reiner; Abhay Kumar Nayak, Nurit Avraham, Andrew Norris, Binghai Yan, Ion Cosma Fulga, Jung-Hyun Kang, Toesten Karzig, Hadas Shtrikman, Haim Beidenkopf
      First page: 021016
      Abstract: Author(s): Jonathan Reiner, Abhay Kumar Nayak, Nurit Avraham, Andrew Norris, Binghai Yan, Ion Cosma Fulga, Jung-Hyun Kang, Toesten Karzig, Hadas Shtrikman, and Haim Beidenkopf
      Understanding the behavior of electrons in semiconducting nanowires is hindered by difficulties in probing these delicate structures. Development of a portable chamber, which keeps the nanowires under ultrahigh vacuum from growth to measurement, allows for the first thorough study of electron phase coherence in a semiconducting nanowire.
      [Phys. Rev. X 7, 021016] Published Fri May 05, 2017
      Citation: Phys. Rev. X 7, 021016 (2017)
      PubDate: 2017-05-05T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.021016
      Issue No: Vol. 7, No. 2 (2017)
       
  • Wannier-Bloch Approach to Localization in High-Harmonics Generation in
           Solids

    • Authors: Edyta N. Osika; Alexis Chacón, Lisa Ortmann, Noslen Suárez, Jose Antonio Pérez-Hernández, Bartłomiej Szafran, Marcelo F. Ciappina, Fernando Sols, Alexandra S. Landsman, Maciej Lewenstein
      First page: 021017
      Abstract: Author(s): Edyta N. Osika, Alexis Chacón, Lisa Ortmann, Noslen Suárez, Jose Antonio Pérez-Hernández, Bartłomiej Szafran, Marcelo F. Ciappina, Fernando Sols, Alexandra S. Landsman, and Maciej Lewenstein
      High harmonic generation can produce attosecond-long pulses of light, which are a useful probe of physical processes that require extremely high time resolution. A new mathematical analysis shows how electron delocalization contributes to this emission in a solid.
      [Phys. Rev. X 7, 021017] Published Mon May 08, 2017
      Citation: Phys. Rev. X 7, 021017 (2017)
      PubDate: 2017-05-08T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.021017
      Issue No: Vol. 7, No. 2 (2017)
       
  • Efficient Representation of Fully Many-Body Localized Systems Using Tensor
           Networks

    • Authors: Thorsten B. Wahl; Arijeet Pal, Steven H. Simon
      First page: 021018
      Abstract: Author(s): Thorsten B. Wahl, Arijeet Pal, and Steven H. Simon
      Many-body-localized (MBL) phases are an intriguing state of matter where quantum systems fail to thermalize and retain their initial conditions for an indefinite amount of time. A new proposal for how to mathematically encode the dynamics of large, one-dimensional MBL systems shows an exponential decrease in computational time for analyzing the energy spectrum.
      [Phys. Rev. X 7, 021018] Published Mon May 08, 2017
      Citation: Phys. Rev. X 7, 021018 (2017)
      PubDate: 2017-05-08T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.021018
      Issue No: Vol. 7, No. 2 (2017)
       
  • Predicted Realization of Cubic Dirac Fermion in Quasi-One-Dimensional
           Transition-Metal Monochalcogenides

    • Authors: Qihang Liu; Alex Zunger
      First page: 021019
      Abstract: Author(s): Qihang Liu and Alex Zunger
      Cubically dispersed Dirac fermions are proposed exotic quasiparticles that have no analog in the standard model of particle physics, and they have not yet been identified in any compound. A design methodology quickly identifies one group of compounds as an ideal candidate and shows promise for realizing other novel types of fermions.
      [Phys. Rev. X 7, 021019] Published Tue May 09, 2017
      Citation: Phys. Rev. X 7, 021019 (2017)
      PubDate: 2017-05-09T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.021019
      Issue No: Vol. 7, No. 2 (2017)
       
  • Bistability Versus Metastability in Driven Dissipative Rydberg Gases

    • Authors: F. Letscher; O. Thomas, T. Niederprüm, M. Fleischhauer, H. Ott
      First page: 021020
      Abstract: Author(s): F. Letscher, O. Thomas, T. Niederprüm, M. Fleischhauer, and H. Ott
      When an ensemble of atoms interacts with an environment, it’s possible that two steady states can coexist—a bistable state. A new experiment investigates this possibility in a sample of Rydberg atoms and finds that, in large systems, many excitations exist that are incompatible with a bistable state.
      [Phys. Rev. X 7, 021020] Published Wed May 10, 2017
      Citation: Phys. Rev. X 7, 021020 (2017)
      PubDate: 2017-05-10T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.021020
      Issue No: Vol. 7, No. 2 (2017)
       
  • Quantum Entanglement in Neural Network States

    • Authors: Dong-Ling Deng; Xiaopeng Li, S. Das Sarma
      First page: 021021
      Abstract: Author(s): Dong-Ling Deng, Xiaopeng Li, and S. Das Sarma
      Machine learning has recently gained attention as a possible way to understand phase transitions in many-body quantum systems. A new entanglement analysis reveals crucial properties of the data structures that encode quantum states in a neural network, opening new inroads in applying machine learning to quantum many-body physics.
      [Phys. Rev. X 7, 021021] Published Thu May 11, 2017
      Citation: Phys. Rev. X 7, 021021 (2017)
      PubDate: 2017-05-11T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.021021
      Issue No: Vol. 7, No. 2 (2017)
       
  • Code Properties from Holographic Geometries

    • Authors: Fernando Pastawski; John Preskill
      First page: 021022
      Abstract: Author(s): Fernando Pastawski and John Preskill
      Deep theoretical links may exist between how space encodes information and error correcting codes being developed for quantum computers. A new analysis explores these connections further and offers insights into not just error-correction codes but also how we interpret ideas about spacetime.
      [Phys. Rev. X 7, 021022] Published Mon May 15, 2017
      Citation: Phys. Rev. X 7, 021022 (2017)
      PubDate: 2017-05-15T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.021022
      Issue No: Vol. 7, No. 2 (2017)
       
  • Experimental Realization of a Dirac Monopole through the Decay of an
           Isolated Monopole

    • Authors: T. Ollikainen; K. Tiurev, A. Blinova, W. Lee, D. S. Hall, M. Möttönen
      First page: 021023
      Abstract: Author(s): T. Ollikainen, K. Tiurev, A. Blinova, W. Lee, D. S. Hall, and M. Möttönen
      Magnetic monopoles have been sought for decades but never definitively observed. Recent experiments have created different analogs of monopoles in Bose-Einstein condensates, including quantum-mechanical and Dirac monopoles. Now a new experiment in this system shows how a quantum-mechanical monopole can evolve into a Dirac monopole.
      [Phys. Rev. X 7, 021023] Published Wed May 17, 2017
      Citation: Phys. Rev. X 7, 021023 (2017)
      PubDate: 2017-05-17T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.021023
      Issue No: Vol. 7, No. 2 (2017)
       
  • Designing Nanostructures for Phonon Transport via Bayesian Optimization

    • Authors: Shenghong Ju; Takuma Shiga, Lei Feng, Zhufeng Hou, Koji Tsuda, Junichiro Shiomi
      First page: 021024
      Abstract: Author(s): Shenghong Ju, Takuma Shiga, Lei Feng, Zhufeng Hou, Koji Tsuda, and Junichiro Shiomi
      Phonon transport—the movement of vibrational wave packets in a solid—in nanostructures is a key element in controlling solid heat conduction, but it remains a complex design challenge. A new framework uses informatics and phonon transport calculations to greatly accelerate the design process and reveals nonintuitive structures that are more effective than their traditional counterparts.
      [Phys. Rev. X 7, 021024] Published Wed May 17, 2017
      Citation: Phys. Rev. X 7, 021024 (2017)
      PubDate: 2017-05-17T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.021024
      Issue No: Vol. 7, No. 2 (2017)
       
  • Prominent Role of Spin-Orbit Coupling in FeSe Revealed by Inelastic
           Neutron Scattering

    • Authors: Mingwei Ma; Philippe Bourges, Yvan Sidis, Yang Xu, Shiyan Li, Biaoyan Hu, Jiarui Li, Fa Wang, Yuan Li
      First page: 021025
      Abstract: Author(s): Mingwei Ma, Philippe Bourges, Yvan Sidis, Yang Xu, Shiyan Li, Biaoyan Hu, Jiarui Li, Fa Wang, and Yuan Li
      The ultimate goal of research on iron-based superconductors, which are promising candidates for high-temperature applications, is the development of a robust theory that describes their behavior at the microscopic level. New experiments with FeSe reveal that strong coupling between the spin and orbit of electrons is an essential ingredient to any such theory.
      [Phys. Rev. X 7, 021025] Published Thu May 18, 2017
      Citation: Phys. Rev. X 7, 021025 (2017)
      PubDate: 2017-05-18T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.021025
      Issue No: Vol. 7, No. 2 (2017)
       
  • Excitonic Linewidth Approaching the Homogeneous Limit in MoS_{2} -Based
           van der Waals Heterostructures

    • Authors: F. Cadiz; E. Courtade, C. Robert, G. Wang, Y. Shen, H. Cai, T. Taniguchi, K. Watanabe, H. Carrere, D. Lagarde, M. Manca, T. Amand, P. Renucci, S. Tongay, X. Marie, B. Urbaszek
      First page: 021026
      Abstract: Author(s): F. Cadiz, E. Courtade, C. Robert, G. Wang, Y. Shen, H. Cai, T. Taniguchi, K. Watanabe, H. Carrere, D. Lagarde, M. Manca, T. Amand, P. Renucci, S. Tongay, X. Marie, and B. Urbaszek
      Transition-metal dichalcogenides are a class of two-dimensional materials that offer potential for developing flat and flexible transistors and optoelectronics, but their quality is often hindered by traditional methods for depositing these atomically flat materials. An experiment demonstrates a new technique that leads to higher quality crystals and better access to studying their properties.
      [Phys. Rev. X 7, 021026] Published Thu May 18, 2017
      Citation: Phys. Rev. X 7, 021026 (2017)
      PubDate: 2017-05-18T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.021026
      Issue No: Vol. 7, No. 2 (2017)
       
  • Optimizing Variational Quantum Algorithms Using Pontryagin’s Minimum
           Principle

    • Authors: Zhi-Cheng Yang; Armin Rahmani, Alireza Shabani, Hartmut Neven, Claudio Chamon
      First page: 021027
      Abstract: Author(s): Zhi-Cheng Yang, Armin Rahmani, Alireza Shabani, Hartmut Neven, and Claudio Chamon
      Variational quantum algorithms (VQAs) mix quantum machines with classical optimizers to solve complex computational problems. A new analysis reveals the optimal method for implementing a VQA, which could lead to improvements in future quantum computing techniques.
      [Phys. Rev. X 7, 021027] Published Thu May 18, 2017
      Citation: Phys. Rev. X 7, 021027 (2017)
      PubDate: 2017-05-18T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.021027
      Issue No: Vol. 7, No. 2 (2017)
       
  • Comment on “Penetration of Action Potentials During Collision in the
           Median and Lateral Giant Axons of Invertebrates”

    • Authors: Rune W. Berg; Marius Tving Stauning, Jakob Balslev Sørensen, Henrik Jahnsen
      First page: 028001
      Abstract: Author(s): Rune W. Berg, Marius Tving Stauning, Jakob Balslev Sørensen, and Henrik Jahnsen
      The action potential (AP) is an electrical impulse elicited by depolarization of the neuronal membrane from the resting membrane potential (around −70  mV). It propagates along the axon, allowing for rapid and distant communication. Recently, it was claimed that two APs traveling in opposite directi…
      [Phys. Rev. X 7, 028001] Published Mon Apr 24, 2017
      Citation: Phys. Rev. X 7, 028001 (2017)
      PubDate: 2017-04-24T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.028001
      Issue No: Vol. 7, No. 2 (2017)
       
  • Reply to “Comment on ‘Penetration of Action Potentials During
           Collision in the Median and Lateral Giant Axons of Invertebrates”’

    • Authors: Tian Wang; Alfredo Gonzalez-Perez, Rima Budvytyte, Andrew D. Jackson, Thomas Heimburg
      First page: 028002
      Abstract: Author(s): Tian Wang, Alfredo Gonzalez-Perez, Rima Budvytyte, Andrew D. Jackson, and Thomas Heimburg
      Berg et al. did not reproduce our results but worked on different preparations and, in one central experiment, used a significantly different electrode configuration. To clarify the situation, we have repeated their experiment on the walking leg of a lobster using an apparatus that can produce both …
      [Phys. Rev. X 7, 028002] Published Mon Apr 24, 2017
      Citation: Phys. Rev. X 7, 028002 (2017)
      PubDate: 2017-04-24T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.028002
      Issue No: Vol. 7, No. 2 (2017)
       
  • Erratum: Self-Sustained Irregular Activity in an Ensemble of Neural
           Oscillators [Phys. Rev. X 6, 011015 (2016)]

    • Authors: Ekkehard Ullner; Antonio Politi
      First page: 029901
      Abstract: Author(s): Ekkehard Ullner and Antonio Politi
      [Phys. Rev. X 7, 029901] Published Mon May 15, 2017
      Citation: Phys. Rev. X 7, 029901 (2017)
      PubDate: 2017-05-15T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.029901
      Issue No: Vol. 7, No. 2 (2017)
       
  • Editorial: Physical Review X: High Visibility Across
           Fields

    • Authors: Pierre Meystre; Cristina Marchetti, Jean-Michel Raimond
      First page: 010001
      Abstract: Author(s): Pierre Meystre, Cristina Marchetti, and Jean-Michel Raimond
      [Phys. Rev. X 7, 010001] Published Wed Jan 04, 2017
      Citation: Phys. Rev. X 7, 010001 (2017)
      PubDate: 2017-01-04T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.010001
      Issue No: Vol. 7, No. 1 (2017)
       
  • Editorial: From the APS Editor in Chief

    • Authors: Pierre Meystre
      First page: 010002
      Abstract: Author(s): Pierre Meystre
      [Phys. Rev. X 7, 010002] Published Fri Feb 03, 2017
      Citation: Phys. Rev. X 7, 010002 (2017)
      PubDate: 2017-02-03T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.010002
      Issue No: Vol. 7, No. 1 (2017)
       
  • Appearance and Disappearance of Quantum Correlations in Measurement-Based
           Feedback Control of a Mechanical Oscillator

    • Authors: V. Sudhir; D. J. Wilson, R. Schilling, H. Schütz, S. A. Fedorov, A. H. Ghadimi, A. Nunnenkamp, T. J. Kippenberg
      First page: 011001
      Abstract: Author(s): V. Sudhir, D. J. Wilson, R. Schilling, H. Schütz, S. A. Fedorov, A. H. Ghadimi, A. Nunnenkamp, and T. J. Kippenberg
      One challenge of controlling quantum systems is striking a balance between the random disturbances caused by the act of measurement and stabilizing the system in a desired state. Researchers conduct an experiment in the so-called “quantum feedback regime” in which the disturbance due to a measurement is suppressed.
      [Phys. Rev. X 7, 011001] Published Fri Jan 06, 2017
      Citation: Phys. Rev. X 7, 011001 (2017)
      PubDate: 2017-01-06T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011001
      Issue No: Vol. 7, No. 1 (2017)
       
  • Statistical Mechanics of Thin Spherical Shells

    • Authors: Andrej Košmrlj; David R. Nelson
      First page: 011002
      Abstract: Author(s): Andrej Košmrlj and David R. Nelson
      Scientists explore how thermal fluctuations affect the mechanics of thin amorphous spherical shells.
      [Phys. Rev. X 7, 011002] Published Wed Jan 11, 2017
      Citation: Phys. Rev. X 7, 011002 (2017)
      PubDate: 2017-01-11T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011002
      Issue No: Vol. 7, No. 1 (2017)
       
  • Spectrally and Spatially Resolved Smith-Purcell Radiation in Plasmonic
           Crystals with Short-Range Disorder

    • Authors: I. Kaminer; S. E. Kooi, R. Shiloh, B. Zhen, Y. Shen, J. J. López, R. Remez, S. A. Skirlo, Y. Yang, J. D. Joannopoulos, A. Arie, M. Soljačić
      First page: 011003
      Abstract: Author(s): I. Kaminer, S. E. Kooi, R. Shiloh, B. Zhen, Y. Shen, J. J. López, R. Remez, S. A. Skirlo, Y. Yang, J. D. Joannopoulos, A. Arie, and M. Soljačić
      An experimental setup based on a modified scanning electron microscope is used to explore fundamental aspects of the coupling of free electrons to plasmonic crystals and localized plasmonic resonances.
      [Phys. Rev. X 7, 011003] Published Tue Jan 17, 2017
      Citation: Phys. Rev. X 7, 011003 (2017)
      PubDate: 2017-01-17T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011003
      Issue No: Vol. 7, No. 1 (2017)
       
  • Ultrafast Multiphoton Thermionic Photoemission from Graphite

    • Authors: Shijing Tan; Adam Argondizzo, Cong Wang, Xuefeng Cui, Hrvoje Petek
      First page: 011004
      Abstract: Author(s): Shijing Tan, Adam Argondizzo, Cong Wang, Xuefeng Cui, and Hrvoje Petek
      When exposed to an ultrafast laser pulse, electrons within graphite are warmed to the same temperature as the surface of the Sun. This behavior could explain how laser light can turn graphite into diamond and allow for efficient chemistry on the surface of graphitic materials.
      [Phys. Rev. X 7, 011004] Published Tue Jan 17, 2017
      Citation: Phys. Rev. X 7, 011004 (2017)
      PubDate: 2017-01-17T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011004
      Issue No: Vol. 7, No. 1 (2017)
       
  • Coherent Magnetic Response at Optical Frequencies Using Atomic Transitions

    • Authors: Nicholas R. Brewer; Zachary N. Buckholtz, Zachary J. Simmons, Eli A. Mueller, Deniz D. Yavuz
      First page: 011005
      Abstract: Author(s): Nicholas R. Brewer, Zachary N. Buckholtz, Zachary J. Simmons, Eli A. Mueller, and Deniz D. Yavuz
      Developing exotic optical devices such as super-resolution lenses and cloaks requires atoms that interact strongly with the magnetic field of light. Such an interaction between a laser and an ensemble of europium atoms is shown for the first time.
      [Phys. Rev. X 7, 011005] Published Mon Jan 23, 2017
      Citation: Phys. Rev. X 7, 011005 (2017)
      PubDate: 2017-01-23T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011005
      Issue No: Vol. 7, No. 1 (2017)
       
  • Diversity of Knot Solitons in Liquid Crystals Manifested by Linking of
           Preimages in Torons and Hopfions

    • Authors: Paul J. Ackerman; Ivan I. Smalyukh
      First page: 011006
      Abstract: Author(s): Paul J. Ackerman and Ivan I. Smalyukh
      Three-dimensional topological solitons have long been a facet of theoretical physics, but they have also remained experimentally elusive. Experimental and theoretical analysis uncovers topologically nontrivial solitons in liquid crystals.
      [Phys. Rev. X 7, 011006] Published Mon Jan 23, 2017
      Citation: Phys. Rev. X 7, 011006 (2017)
      PubDate: 2017-01-23T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011006
      Issue No: Vol. 7, No. 1 (2017)
       
  • On-Chip Microwave Quantum Hall Circulator

    • Authors: A. C. Mahoney; J. I. Colless, S. J. Pauka, J. M. Hornibrook, J. D. Watson, G. C. Gardner, M. J. Manfra, A. C. Doherty, D. J. Reilly
      First page: 011007
      Abstract: Author(s): A. C. Mahoney, J. I. Colless, S. J. Pauka, J. M. Hornibrook, J. D. Watson, G. C. Gardner, M. J. Manfra, A. C. Doherty, and D. J. Reilly
      A circulator that routes microwave signals is suitable for scaling up quantum-computing architectures.
      [Phys. Rev. X 7, 011007] Published Tue Jan 24, 2017
      Citation: Phys. Rev. X 7, 011007 (2017)
      PubDate: 2017-01-24T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011007
      Issue No: Vol. 7, No. 1 (2017)
       
  • Stochastic and Macroscopic Thermodynamics of Strongly Coupled Systems

    • Authors: Christopher Jarzynski
      First page: 011008
      Abstract: Author(s): Christopher Jarzynski
      Thermodynamics describes how macroscopic systems exchange energy in the form of heat and work, yet many microscopic systems such as molecular motors exhibit behavior that seems to follow the same principles. A new theoretical framework for describing the thermodynamics of microscopic systems that interact strongly with their surroundings is presented.
      [Phys. Rev. X 7, 011008] Published Tue Jan 24, 2017
      Citation: Phys. Rev. X 7, 011008 (2017)
      PubDate: 2017-01-24T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011008
      Issue No: Vol. 7, No. 1 (2017)
       
  • Rotational Symmetry Breaking in a Trigonal Superconductor Nb-doped Bi_{2}
           Se_{3}

    • Authors: Tomoya Asaba; B. J. Lawson, Colin Tinsman, Lu Chen, Paul Corbae, Gang Li, Y. Qiu, Y. S. Hor, Liang Fu, Lu Li
      First page: 011009
      Abstract: Author(s): Tomoya Asaba, B. J. Lawson, Colin Tinsman, Lu Chen, Paul Corbae, Gang Li, Y. Qiu, Y. S. Hor, Liang Fu, and Lu Li
      Quantum computers need new materials to protect their delicate quantum states. Evidence for such a material—a topological superconductor—has been detected as a breaking of rotational symmetry in a crystal of Nb-doped Bi2Se3.
      [Phys. Rev. X 7, 011009] Published Fri Jan 27, 2017
      Citation: Phys. Rev. X 7, 011009 (2017)
      PubDate: 2017-01-27T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011009
      Issue No: Vol. 7, No. 1 (2017)
       
  • Holographic Imaging Reveals the Mechanism of Wall Entrapment in Swimming
           Bacteria

    • Authors: Silvio Bianchi; Filippo Saglimbeni, Roberto Di Leonardo
      First page: 011010
      Abstract: Author(s): Silvio Bianchi, Filippo Saglimbeni, and Roberto Di Leonardo
      Bacteria accumulate on surfaces, but the physical mechanism that is responsible for this entrapment is not well understood. Holographic imaging and an optical trap reveal how contact forces and hydrodynamic torques compete to cause cells of E. coli to become stuck to a surface.
      [Phys. Rev. X 7, 011010] Published Fri Jan 27, 2017
      Citation: Phys. Rev. X 7, 011010 (2017)
      PubDate: 2017-01-27T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011010
      Issue No: Vol. 7, No. 1 (2017)
       
  • Fluctuations and Shape of Cooperative Rearranging Regions in Glass-Forming
           Liquids

    • Authors: Giulio Biroli; Chiara Cammarota
      First page: 011011
      Abstract: Author(s): Giulio Biroli and Chiara Cammarota
      Cooperative rearranging regions are small patches of molecules that are essential to understanding the physics of glass-forming liquids. Researchers present a theory to characterize the shape of these regions and how the shape changes with temperature.
      [Phys. Rev. X 7, 011011] Published Mon Jan 30, 2017
      Citation: Phys. Rev. X 7, 011011 (2017)
      PubDate: 2017-01-30T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011011
      Issue No: Vol. 7, No. 1 (2017)
       
  • Observation of the Photon-Blockade Breakdown Phase Transition

    • Authors: J. M. Fink; A. Dombi, A. Vukics, A. Wallraff, P. Domokos
      First page: 011012
      Abstract: Author(s): J. M. Fink, A. Dombi, A. Vukics, A. Wallraff, and P. Domokos
      A single artificial atom has been observed changing a cavity’s transparency in agreement with a recently predicted new type of quantum phase transition.
      [Phys. Rev. X 7, 011012] Published Tue Jan 31, 2017
      Citation: Phys. Rev. X 7, 011012 (2017)
      PubDate: 2017-01-31T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011012
      Issue No: Vol. 7, No. 1 (2017)
       
  • Redundant Interdependencies Boost the Robustness of Multiplex Networks

    • Authors: Filippo Radicchi; Ginestra Bianconi
      First page: 011013
      Abstract: Author(s): Filippo Radicchi and Ginestra Bianconi
      When analyzing the robustness of complex, interconnected networks—such as interdependent infrastructures—models often predict that the system becomes more fragile as the number of layers increases. A new model indicates that such multilayered networks can instead be made more robust with the introduction of redundant interdependencies.
      [Phys. Rev. X 7, 011013] Published Tue Jan 31, 2017
      Citation: Phys. Rev. X 7, 011013 (2017)
      PubDate: 2017-01-31T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011013
      Issue No: Vol. 7, No. 1 (2017)
       
  • Disease Localization in Multilayer Networks

    • Authors: Guilherme Ferraz de Arruda; Emanuele Cozzo, Tiago P. Peixoto, Francisco A. Rodrigues, Yamir Moreno
      First page: 011014
      Abstract: Author(s): Guilherme Ferraz de Arruda, Emanuele Cozzo, Tiago P. Peixoto, Francisco A. Rodrigues, and Yamir Moreno
      Multilayer networks can be used to describe many phenomena such as the flow of information and the spread of disease. A new mathematical description of these networks in the context of disease transmission reveals behaviors such as multiple transmission rates and localization of disease in a network layer.
      [Phys. Rev. X 7, 011014] Published Thu Feb 02, 2017
      Citation: Phys. Rev. X 7, 011014 (2017)
      PubDate: 2017-02-02T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011014
      Issue No: Vol. 7, No. 1 (2017)
       
  • High-Speed Photonic Reservoir Computing Using a Time-Delay-Based
           Architecture: Million Words per Second Classification

    • Authors: Laurent Larger; Antonio Baylón-Fuentes, Romain Martinenghi, Vladimir S. Udaltsov, Yanne K. Chembo, Maxime Jacquot
      First page: 011015
      Abstract: Author(s): Laurent Larger, Antonio Baylón-Fuentes, Romain Martinenghi, Vladimir S. Udaltsov, Yanne K. Chembo, and Maxime Jacquot
      A brain-inspired computer made with optoelectronic parts runs faster thanks to a hardware redesign, recognizing simple speech at the rate of 1 million words per second
      [Phys. Rev. X 7, 011015] Published Mon Feb 06, 2017
      Citation: Phys. Rev. X 7, 011015 (2017)
      PubDate: 2017-02-06T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011015
      Issue No: Vol. 7, No. 1 (2017)
       
  • Observation of a Dissipative Phase Transition in a One-Dimensional Circuit
           QED Lattice

    • Authors: Mattias Fitzpatrick; Neereja M. Sundaresan, Andy C. Y. Li, Jens Koch, Andrew A. Houck
      First page: 011016
      Abstract: Author(s): Mattias Fitzpatrick, Neereja M. Sundaresan, Andy C. Y. Li, Jens Koch, and Andrew A. Houck
      Nonequilibrium phase transitions, where the physical properties of a system change suddenly, are of fundamental importance in condensed matter physics but are not well understood. Such phase transitions are now observed in a circuit quantum electrodynamics lattice, paving the way for greater insight into exotic materials.
      [Phys. Rev. X 7, 011016] Published Fri Feb 10, 2017
      Citation: Phys. Rev. X 7, 011016 (2017)
      PubDate: 2017-02-10T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011016
      Issue No: Vol. 7, No. 1 (2017)
       
  • Computer-Assisted Inverse Design of Inorganic Electrides

    • Authors: Yunwei Zhang; Hui Wang, Yanchao Wang, Lijun Zhang, Yanming Ma
      First page: 011017
      Abstract: Author(s): Yunwei Zhang, Hui Wang, Yanchao Wang, Lijun Zhang, and Yanming Ma
      Electrides are electron-rich compounds with a range of potential applications as catalysts and reducing agents. A new computer-assisted design methodology has been developed which can efficiently identify potential inorganic electrides and has found 89 new candidates.
      [Phys. Rev. X 7, 011017] Published Tue Feb 14, 2017
      Citation: Phys. Rev. X 7, 011017 (2017)
      PubDate: 2017-02-14T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011017
      Issue No: Vol. 7, No. 1 (2017)
       
  • Universal Chiral Quasisteady States in Periodically Driven Many-Body
           Systems

    • Authors: Netanel H. Lindner; Erez Berg, Mark S. Rudner
      First page: 011018
      Abstract: Author(s): Netanel H. Lindner, Erez Berg, and Mark S. Rudner
      Quantum effects are usually lost when interacting particles are disturbed by an external force, such as a laser, and heat up. Recent research points to a new class of universal phenomena that emerge from this heating.
      [Phys. Rev. X 7, 011018] Published Fri Feb 17, 2017
      Citation: Phys. Rev. X 7, 011018 (2017)
      PubDate: 2017-02-17T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011018
      Issue No: Vol. 7, No. 1 (2017)
       
  • Statistics of Infima and Stopping Times of Entropy Production and
           Applications to Active Molecular Processes

    • Authors: Izaak Neri; Édgar Roldán, Frank Jülicher
      First page: 011019
      Abstract: Author(s): Izaak Neri, Édgar Roldán, and Frank Jülicher
      While entropy always increases on large scales, it can transiently decrease in systems of the size of proteins and in the molecular machinery found in living cells. Scientists find universal laws for entropy production in mesoscopic systems and show how these laws can illuminate general properties of stochastic processes in biology.
      [Phys. Rev. X 7, 011019] Published Tue Feb 21, 2017
      Citation: Phys. Rev. X 7, 011019 (2017)
      PubDate: 2017-02-21T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011019
      Issue No: Vol. 7, No. 1 (2017)
       
  • Topological Phases Protected by Point Group Symmetry

    • Authors: Hao Song; Sheng-Jie Huang, Liang Fu, Michael Hermele
      First page: 011020
      Abstract: Author(s): Hao Song, Sheng-Jie Huang, Liang Fu, and Michael Hermele
      Not much is known about the role that geometric symmetries play in exotic states of quantum matter known as symmetry-protected topological phases. A new approach is developed to classify and understand these phases, which are shown to be comprised of simpler, lower-dimensional states.
      [Phys. Rev. X 7, 011020] Published Tue Feb 21, 2017
      Citation: Phys. Rev. X 7, 011020 (2017)
      PubDate: 2017-02-21T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011020
      Issue No: Vol. 7, No. 1 (2017)
       
  • Systematic Magnus-Based Approach for Suppressing Leakage and Nonadiabatic
           Errors in Quantum Dynamics

    • Authors: Hugo Ribeiro; Alexandre Baksic, Aashish A. Clerk
      First page: 011021
      Abstract: Author(s): Hugo Ribeiro, Alexandre Baksic, and Aashish A. Clerk
      When performing operations in a quantum computer, the system can easily end up in some undesired state. A new technique controls the quantum dynamics to reliably bring a quantum system from some initial state to a final desired state.
      [Phys. Rev. X 7, 011021] Published Wed Feb 22, 2017
      Citation: Phys. Rev. X 7, 011021 (2017)
      PubDate: 2017-02-22T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011021
      Issue No: Vol. 7, No. 1 (2017)
       
  • Deep Inelastic Scattering on Ultracold Gases

    • Authors: Johannes Hofmann; Wilhelm Zwerger
      First page: 011022
      Abstract: Author(s): Johannes Hofmann and Wilhelm Zwerger
      For decades, researchers have debated assumptions used when interpreting scattering experiments that probe the structure of matter at increasingly shorter length scales. A theoretical framework resolves some of these questions and sheds light on the nature of ultracold quantum gases.
      [Phys. Rev. X 7, 011022] Published Wed Mar 01, 2017
      Citation: Phys. Rev. X 7, 011022 (2017)
      PubDate: 2017-03-01T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011022
      Issue No: Vol. 7, No. 1 (2017)
       
  • Band Alignment and Charge Transfer in Complex Oxide Interfaces

    • Authors: Zhicheng Zhong; Philipp Hansmann
      First page: 011023
      Abstract: Author(s): Zhicheng Zhong and Philipp Hansmann
      Intrinsic limitations of semiconductors have spurred a search for new materials that can be used in next generation electronics, and transition-metal oxides (TMOs) are attractive candidates. A new scheme for predicting the electrical and magnetic behavior of TMOs shows promise for helping design future components.
      [Phys. Rev. X 7, 011023] Published Fri Mar 03, 2017
      Citation: Phys. Rev. X 7, 011023 (2017)
      PubDate: 2017-03-03T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011023
      Issue No: Vol. 7, No. 1 (2017)
       
  • Towards Resource Theory of Coherence in Distributed Scenarios

    • Authors: Alexander Streltsov; Swapan Rana, Manabendra Nath Bera, Maciej Lewenstein
      First page: 011024
      Abstract: Author(s): Alexander Streltsov, Swapan Rana, Manabendra Nath Bera, and Maciej Lewenstein
      Quantum entanglement has typically been the focus of research into quantum technologies, but other phenomena are needed to characterize quantum systems. A theory for manipulating quantum coherence in distributed scenarios is studied, leading to a mathematical characterization of the transformations that quantum states undergo in this process.
      [Phys. Rev. X 7, 011024] Published Mon Mar 06, 2017
      Citation: Phys. Rev. X 7, 011024 (2017)
      PubDate: 2017-03-06T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011024
      Issue No: Vol. 7, No. 1 (2017)
       
  • Incoherent Fermi-Pasta-Ulam Recurrences and Unconstrained Thermalization
           Mediated by Strong Phase Correlations

    • Authors: M. Guasoni; J. Garnier, B. Rumpf, D. Sugny, J. Fatome, F. Amrani, G. Millot, A. Picozzi
      First page: 011025
      Abstract: Author(s): M. Guasoni, J. Garnier, B. Rumpf, D. Sugny, J. Fatome, F. Amrani, G. Millot, and A. Picozzi
      Recurrence behaviors are well known in wave systems that initially exhibit phase coherence. A new theory shows that similar recurrences can occur among initially disordered waves as well, thus leading to a reduction of entropy that is contrary to everyday experience.
      [Phys. Rev. X 7, 011025] Published Mon Mar 06, 2017
      Citation: Phys. Rev. X 7, 011025 (2017)
      PubDate: 2017-03-06T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011025
      Issue No: Vol. 7, No. 1 (2017)
       
  • Prethermal Phases of Matter Protected by Time-Translation Symmetry

    • Authors: Dominic V. Else; Bela Bauer, Chetan Nayak
      First page: 011026
      Abstract: Author(s): Dominic V. Else, Bela Bauer, and Chetan Nayak
      In systems driven by time-varying fields, new phases of matter might exist that do not appear when the system is static. A mathematical formulation shows that novel phases of matter also exist in prethermal states, where the system exchanges heat with its environment very slowly.
      [Phys. Rev. X 7, 011026] Published Tue Mar 07, 2017
      Citation: Phys. Rev. X 7, 011026 (2017)
      PubDate: 2017-03-07T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011026
      Issue No: Vol. 7, No. 1 (2017)
       
  • Heavy Weyl Fermion State in CeRu_{4} Sn_{6}

    • Authors: Yuanfeng Xu; Changming Yue, Hongming Weng, Xi Dai
      First page: 011027
      Abstract: Author(s): Yuanfeng Xu, Changming Yue, Hongming Weng, and Xi Dai
      Weyl semimetals have highly mobile charged particles that may make them useful in electronic devices, but only a few of them have been identified thus far. Computational analysis reveals that the compound CeRu4Sn6 exhibits Weyl-like behavior and may be a new type of material known as a heavy Weyl fermion state.
      [Phys. Rev. X 7, 011027] Published Tue Mar 07, 2017
      Citation: Phys. Rev. X 7, 011027 (2017)
      PubDate: 2017-03-07T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011027
      Issue No: Vol. 7, No. 1 (2017)
       
  • Synchronization in Dynamical Networks of Locally Coupled Self-Propelled
           Oscillators

    • Authors: Demian Levis; Ignacio Pagonabarraga, Albert Díaz-Guilera
      First page: 011028
      Abstract: Author(s): Demian Levis, Ignacio Pagonabarraga, and Albert Díaz-Guilera
      Synchronization of individual behavior in a population of self-propelling units, such as fireflies or bacteria, arises in a wide variety of disciplines. A new mathematical framework provides a generalized description of such systems, revealing among other things how self-propulsion can accelerate synchronization.
      [Phys. Rev. X 7, 011028] Published Wed Mar 08, 2017
      Citation: Phys. Rev. X 7, 011028 (2017)
      PubDate: 2017-03-08T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011028
      Issue No: Vol. 7, No. 1 (2017)
       
  • Topological Defects in a Living Nematic Ensnare Swimming Bacteria

    • Authors: Mikhail M. Genkin; Andrey Sokolov, Oleg D. Lavrentovich, Igor S. Aranson
      First page: 011029
      Abstract: Author(s): Mikhail M. Genkin, Andrey Sokolov, Oleg D. Lavrentovich, and Igor S. Aranson
      Living liquid crystals are biosynthetic composites, comprised of living bacteria and liquid crystals, that exhibit unique optical and mechanical properties. A new computational model and set of experiments show how defects in the liquid crystal can concentrate or deplete the bacteria, suggesting a novel method for control and manipulation of microbial populations.
      [Phys. Rev. X 7, 011029] Published Wed Mar 08, 2017
      Citation: Phys. Rev. X 7, 011029 (2017)
      PubDate: 2017-03-08T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011029
      Issue No: Vol. 7, No. 1 (2017)
       
  • Strong Coupling Cavity QED with Gate-Defined Double Quantum Dots Enabled
           by a High Impedance Resonator

    • Authors: A. Stockklauser; P. Scarlino, J. V. Koski, S. Gasparinetti, C. K. Andersen, C. Reichl, W. Wegscheider, T. Ihn, K. Ensslin, A. Wallraff
      First page: 011030
      Abstract: Author(s): A. Stockklauser, P. Scarlino, J. V. Koski, S. Gasparinetti, C. K. Andersen, C. Reichl, W. Wegscheider, T. Ihn, K. Ensslin, and A. Wallraff
      A system combining a quantum dot and a superconducting cavity achieves the strongest light-matter coupling for this type of hybrid system.
      [Phys. Rev. X 7, 011030] Published Thu Mar 09, 2017
      Citation: Phys. Rev. X 7, 011030 (2017)
      PubDate: 2017-03-09T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011030
      Issue No: Vol. 7, No. 1 (2017)
       
  • Plasma Membrane is Compartmentalized by a Self-Similar Cortical Actin
           Meshwork

    • Authors: Sanaz Sadegh; Jenny L. Higgins, Patrick C. Mannion, Michael M. Tamkun, Diego Krapf
      First page: 011031
      Abstract: Author(s): Sanaz Sadegh, Jenny L. Higgins, Patrick C. Mannion, Michael M. Tamkun, and Diego Krapf
      In cell membranes, the dynamic organization of proteins into areas that serve various purposes is critical to proper cell function, but how this occurs is not well understood. New high-resolution imaging of mammalian cells confirms that the actin cytoskeleton actively partitions the membrane into compartments that control protein motion.
      [Phys. Rev. X 7, 011031] Published Thu Mar 09, 2017
      Citation: Phys. Rev. X 7, 011031 (2017)
      PubDate: 2017-03-09T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.011031
      Issue No: Vol. 7, No. 1 (2017)
       
  • Vertical Line Nodes in the Superconducting Gap Structure of Sr_{2} RuO_{4}

    • Authors: E. Hassinger; P. Bourgeois-Hope, H. Taniguchi, S. René de Cotret, G. Grissonnanche, M. S. Anwar, Y. Maeno, N. Doiron-Leyraud, Louis Taillefer
      First page: 011032
      Abstract: Author(s): E. Hassinger, P. Bourgeois-Hope, H. Taniguchi, S. René de Cotret, G. Grissonnanche, M. S. Anwar, Y. Maeno, N. Doiron-Leyraud, and Louis Taillefer
      The crystal Sr2RuO4 is a rare superconductor where electrons pair together in a symmetry that is thought to be a p wave, which indicates how the electrons orbit one another and orient their spins. A new investigation of heat conduction in Sr2RuO4 reveals behavior more typical of a d wave, raising questions about how the electrons are actually paired.
      [Phys. Rev. X 7, 011032] Published Wed Mar 15, 2017
      Citation: Phys. Rev. X 7, 011032 (2017)
      PubDate: 2017-03-15T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.011032
      Issue No: Vol. 7, No. 1 (2017)
       
  • Temperature-Controlled Chameleonlike Cloak

    • Authors: Ruiguang Peng; Zongqi Xiao, Qian Zhao, Fuli Zhang, Yonggang Meng, Bo Li, Ji Zhou, Yuancheng Fan, Peng Zhang, Nian-Hai Shen, Thomas Koschny, Costas M. Soukoulis
      First page: 011033
      Abstract: Author(s): Ruiguang Peng, Zongqi Xiao, Qian Zhao, Fuli Zhang, Yonggang Meng, Bo Li, Ji Zhou, Yuancheng Fan, Peng Zhang, Nian-Hai Shen, Thomas Koschny, and Costas M. Soukoulis
      Practical invisibility cloaks are typically limited to rendering objects invisible to only a very narrow, inflexible range of electromagnetic frequencies. A new prototype cloak, made from SrTiO3 cuboids, demonstrates a simple approach to designing an invisibility cloak whose working frequency can be changed by altering its temperature.
      [Phys. Rev. X 7, 011033] Published Tue Mar 21, 2017
      Citation: Phys. Rev. X 7, 011033 (2017)
      PubDate: 2017-03-21T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.011033
      Issue No: Vol. 7, No. 1 (2017)
       
  • Signatures of Many-Body Localization in a Controlled Open Quantum System

    • Authors: Henrik P. Lüschen; Pranjal Bordia, Sean S. Hodgman, Michael Schreiber, Saubhik Sarkar, Andrew J. Daley, Mark H. Fischer, Ehud Altman, Immanuel Bloch, Ulrich Schneider
      First page: 011034
      Abstract: Author(s): Henrik P. Lüschen, Pranjal Bordia, Sean S. Hodgman, Michael Schreiber, Saubhik Sarkar, Andrew J. Daley, Mark H. Fischer, Ehud Altman, Immanuel Bloch, and Ulrich Schneider
      In an isolated many-body localized system, initial quantum correlations can remain local rather than spread throughout the system. But experimental studies of such systems are difficult because of unavoidable interactions with the environment, which ultimately spoil the effect. A new method for controlling a photon bath demonstrates a first step toward understanding the effects of this coupling and extrapolating to fully isolated systems.
      [Phys. Rev. X 7, 011034] Published Tue Mar 21, 2017
      Citation: Phys. Rev. X 7, 011034 (2017)
      PubDate: 2017-03-21T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.011034
      Issue No: Vol. 7, No. 1 (2017)
       
  • Intracity Quantum Communication via Thermal Microwave Networks

    • Authors: Ze-Liang Xiang; Mengzhen Zhang, Liang Jiang, Peter Rabl
      First page: 011035
      Abstract: Author(s): Ze-Liang Xiang, Mengzhen Zhang, Liang Jiang, and Peter Rabl
      A new quantum communication protocol is robust in the presence of thermal noise, paving the way for all-microwave quantum networks.
      [Phys. Rev. X 7, 011035] Published Mon Mar 27, 2017
      Citation: Phys. Rev. X 7, 011035 (2017)
      PubDate: 2017-03-27T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.011035
      Issue No: Vol. 7, No. 1 (2017)
       
  • Publisher’s Note: Redundant Interdependencies Boost the Robustness of
           Multiplex Networks [Phys. Rev. X 7, 011013 (2017)]

    • Authors: Filippo Radicchi; Ginestra Bianconi
      First page: 019901
      Abstract: Author(s): Filippo Radicchi and Ginestra Bianconi
      [Phys. Rev. X 7, 019901] Published Fri Feb 17, 2017
      Citation: Phys. Rev. X 7, 019901 (2017)
      PubDate: 2017-02-17T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.019901
      Issue No: Vol. 7, No. 1 (2017)
       
  • Erratum: Multiple-Stage Structure Transformation of Organic-Inorganic
           Hybrid Perovskite CH_{3} NH_{3} PbI_{3} [Phys. Rev. X 6, 031042 (2016)]

    • Authors: Qiong Chen; Henan Liu, Hui-Seon Kim, Yucheng Liu, Mengjin Yang, Naili Yue, Gang Ren, Kai Zhu, Shengzhong Liu, Nam-Gyu Park, Yong Zhang
      First page: 019902
      Abstract: Author(s): Qiong Chen, Henan Liu, Hui-Seon Kim, Yucheng Liu, Mengjin Yang, Naili Yue, Gang Ren, Kai Zhu, Shengzhong Liu, Nam-Gyu Park, and Yong Zhang
      [Phys. Rev. X 7, 019902] Published Wed Feb 22, 2017
      Citation: Phys. Rev. X 7, 019902 (2017)
      PubDate: 2017-02-22T10:00:00-05:00
      DOI: 10.1103/PhysRevX.7.019902
      Issue No: Vol. 7, No. 1 (2017)
       
  • Publisher’s Note: Computer-Assisted Inverse Design of Inorganic
           Electrides [Phys. Rev. X 7, 011017 (2017)]

    • Authors: Yunwei Zhang; Hui Wang, Yanchao Wang, Lijun Zhang, Yanming Ma
      First page: 019903
      Abstract: Author(s): Yunwei Zhang, Hui Wang, Yanchao Wang, Lijun Zhang, and Yanming Ma
      [Phys. Rev. X 7, 019903] Published Wed Mar 15, 2017
      Citation: Phys. Rev. X 7, 019903 (2017)
      PubDate: 2017-03-15T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.019903
      Issue No: Vol. 7, No. 1 (2017)
       
  • Publisher’s Note: Synchronization in Dynamical Networks of Locally
           Coupled Self-Propelled Oscillators [Phys. Rev. X 7, 011028 (2017)]

    • Authors: Demian Levis; Ignacio Pagonabarraga, Albert Díaz-Guilera
      First page: 019904
      Abstract: Author(s): Demian Levis, Ignacio Pagonabarraga, and Albert Díaz-Guilera
      [Phys. Rev. X 7, 019904] Published Thu Mar 30, 2017
      Citation: Phys. Rev. X 7, 019904 (2017)
      PubDate: 2017-03-30T10:00:00-04:00
      DOI: 10.1103/PhysRevX.7.019904
      Issue No: Vol. 7, No. 1 (2017)
       
  • Tunable Electron-Electron Interactions in LaAlO_{3} /SrTiO_{3}
           Nanostructures

    • Authors: Guanglei Cheng; Michelle Tomczyk, Alexandre B. Tacla, Hyungwoo Lee, Shicheng Lu, Josh P. Veazey, Mengchen Huang, Patrick Irvin, Sangwoo Ryu, Chang-Beom Eom, Andrew Daley, David Pekker, Jeremy Levy
      First page: 041042
      Abstract: Author(s): Guanglei Cheng, Michelle Tomczyk, Alexandre B. Tacla, Hyungwoo Lee, Shicheng Lu, Josh P. Veazey, Mengchen Huang, Patrick Irvin, Sangwoo Ryu, Chang-Beom Eom, Andrew Daley, David Pekker, and Jeremy Levy
      Electron-electron interactions are responsible for superconductivity, a state in which current flows without resistance. Researchers show that electron-electron interactions can be tuned at an oxide interface.
      [Phys. Rev. X 6, 041042] Published Thu Dec 01, 2016
      Citation: Phys. Rev. X 6, 041042 (2016)
      PubDate: 2016-12-01T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041042
      Issue No: Vol. 6, No. 4 (2016)
       
  • Engineering Topological Many-Body Materials in Microwave Cavity Arrays

    • Authors: Brandon M. Anderson; Ruichao Ma, Clai Owens, David I. Schuster, Jonathan Simon
      First page: 041043
      Abstract: Author(s): Brandon M. Anderson, Ruichao Ma, Clai Owens, David I. Schuster, and Jonathan Simon
      Qubits are necessary for next-generation quantum computers. Researchers theoretically demonstrate a topological fluid of photons to simulate such qubits.
      [Phys. Rev. X 6, 041043] Published Thu Dec 01, 2016
      Citation: Phys. Rev. X 6, 041043 (2016)
      PubDate: 2016-12-01T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041043
      Issue No: Vol. 6, No. 4 (2016)
       
  • Random Bosonic States for Robust Quantum Metrology

    • Authors: M. Oszmaniec; R. Augusiak, C. Gogolin, J. Kołodyński, A. Acín, M. Lewenstein
      First page: 041044
      Abstract: Author(s): M. Oszmaniec, R. Augusiak, C. Gogolin, J. Kołodyński, A. Acín, and M. Lewenstein
      The battle to improve measurement precision constantly forces scientists to develop more and more sophisticated methods. Surprisingly, theoretical demonstration shows that identical bosons, even when prepared in a random and noisy quantum state, can be used to attain precision surpassing that of classical statistics.
      [Phys. Rev. X 6, 041044] Published Fri Dec 02, 2016
      Citation: Phys. Rev. X 6, 041044 (2016)
      PubDate: 2016-12-02T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041044
      Issue No: Vol. 6, No. 4 (2016)
       
  • Magnetism, Superconductivity, and Spontaneous Orbital Order in Iron-Based
           Superconductors: Which Comes First and Why?

    • Authors: Andrey V. Chubukov; M. Khodas, Rafael M. Fernandes
      First page: 041045
      Abstract: Author(s): Andrey V. Chubukov, M. Khodas, and Rafael M. Fernandes
      Iron-based materials often exhibit magnetism, superconductivity, and nematic order. A theoretical investigation looks at the interplay between magnetism and orbital order and how these properties affect superconductivity.
      [Phys. Rev. X 6, 041045] Published Fri Dec 02, 2016
      Citation: Phys. Rev. X 6, 041045 (2016)
      PubDate: 2016-12-02T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041045
      Issue No: Vol. 6, No. 4 (2016)
       
  • Inhomogeneous Weyl and Dirac Semimetals: Transport in Axial Magnetic
           Fields and Fermi Arc Surface States from Pseudo-Landau Levels

    • Authors: Adolfo G. Grushin; Jörn W. F. Venderbos, Ashvin Vishwanath, Roni Ilan
      First page: 041046
      Abstract: Author(s): Adolfo G. Grushin, Jörn W. F. Venderbos, Ashvin Vishwanath, and Roni Ilan
      Controlling a material’s electronic characteristics has long been a goal of physicists. A new study shows how strain and magnetization affect the transport properties of Weyl and Dirac semimetals, which can be thought of as cousins of graphene.
      [Phys. Rev. X 6, 041046] Published Mon Dec 05, 2016
      Citation: Phys. Rev. X 6, 041046 (2016)
      PubDate: 2016-12-05T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041046
      Issue No: Vol. 6, No. 4 (2016)
       
  • Polymer model with Epigenetic Recoloring Reveals a Pathway for the de novo
           Establishment and 3D Organization of Chromatin Domains

    • Authors: D. Michieletto; E. Orlandini, D. Marenduzzo
      First page: 041047
      Abstract: Author(s): D. Michieletto, E. Orlandini, and D. Marenduzzo
      A theoretical model of DNA as a polymer explains why chemical markers on genes can survive from one cell generation to the next.
      [Phys. Rev. X 6, 041047] Published Fri Dec 09, 2016
      Citation: Phys. Rev. X 6, 041047 (2016)
      PubDate: 2016-12-09T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041047
      Issue No: Vol. 6, No. 4 (2016)
       
  • Fermi Surface Manipulation by External Magnetic Field Demonstrated for a
           Prototypical Ferromagnet

    • Authors: E. Młyńczak; M. Eschbach, S. Borek, J. Minár, J. Braun, I. Aguilera, G. Bihlmayer, S. Döring, M. Gehlmann, P. Gospodarič, S. Suga, L. Plucinski, S. Blügel, H. Ebert, C. M. Schneider
      First page: 041048
      Abstract: Author(s): E. Młyńczak, M. Eschbach, S. Borek, J. Minár, J. Braun, I. Aguilera, G. Bihlmayer, S. Döring, M. Gehlmann, P. Gospodarič, S. Suga, L. Plucinski, S. Blügel, H. Ebert, and C. M. Schneider
      The functionality of today’s technology in magnetic hard disks or memories relies on tiny relativistic effects in electron behavior that were previously believed to be too small to be directly observed. Researchers visualize these effects, for the first time, by showing how the electronic structure of iron responds to the direction of a magnetic field.
      [Phys. Rev. X 6, 041048] Published Fri Dec 09, 2016
      Citation: Phys. Rev. X 6, 041048 (2016)
      PubDate: 2016-12-09T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041048
      Issue No: Vol. 6, No. 4 (2016)
       
  • Simple Fermionic Model of Deconfined Phases and Phase Transitions

    • Authors: F. F. Assaad; Tarun Grover
      First page: 041049
      Abstract: Author(s): F. F. Assaad and Tarun Grover
      Quantum Monte Carlo simulations can shed light on exotic quantum phenomena, and now researchers present a model of fermions and Ising spins to conduct such simulations.
      [Phys. Rev. X 6, 041049] Published Mon Dec 12, 2016
      Citation: Phys. Rev. X 6, 041049 (2016)
      PubDate: 2016-12-12T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041049
      Issue No: Vol. 6, No. 4 (2016)
       
  • Quantum Critical Higgs

    • Authors: Brando Bellazzini; Csaba Csáki, Jay Hubisz, Seung J. Lee, Javi Serra, John Terning
      First page: 041050
      Abstract: Author(s): Brando Bellazzini, Csaba Csáki, Jay Hubisz, Seung J. Lee, Javi Serra, and John Terning
      The discovery of the Higgs boson was a substantial leap forward for the particles physics community, yet puzzles still remain. Low-energy theories are proposed consistent with the unexpected low mass of the particle, which would, however, produce new types of deviations in upcoming experimental tests.
      [Phys. Rev. X 6, 041050] Published Wed Dec 14, 2016
      Citation: Phys. Rev. X 6, 041050 (2016)
      PubDate: 2016-12-14T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041050
      Issue No: Vol. 6, No. 4 (2016)
       
  • Practical Quantum Realization of the Ampere from the Elementary Charge

    • Authors: J. Brun-Picard; S. Djordjevic, D. Leprat, F. Schopfer, W. Poirier
      First page: 041051
      Abstract: Author(s): J. Brun-Picard, S. Djordjevic, D. Leprat, F. Schopfer, and W. Poirier
      A precision quantum current source has been designed to calibrate currents in terms of the soon-to-be-redefined International System of Units.
      [Phys. Rev. X 6, 041051] Published Mon Dec 12, 2016
      Citation: Phys. Rev. X 6, 041051 (2016)
      PubDate: 2016-12-12T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041051
      Issue No: Vol. 6, No. 4 (2016)
       
  • Quantum Trajectories and Their Statistics for Remotely Entangled Quantum
           Bits

    • Authors: Areeya Chantasri; Mollie E. Kimchi-Schwartz, Nicolas Roch, Irfan Siddiqi, Andrew N. Jordan
      First page: 041052
      Abstract: Author(s): Areeya Chantasri, Mollie E. Kimchi-Schwartz, Nicolas Roch, Irfan Siddiqi, and Andrew N. Jordan
      Measurement-induced entanglement is a tenet of quantum mechanics. Researchers experimentally demonstrate entangled quantum trajectories of qubits located in separate superconducting cavities.
      [Phys. Rev. X 6, 041052] Published Wed Dec 14, 2016
      Citation: Phys. Rev. X 6, 041052 (2016)
      PubDate: 2016-12-14T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041052
      Issue No: Vol. 6, No. 4 (2016)
       
  • Cost and Precision of Brownian Clocks

    • Authors: Andre C. Barato; Udo Seifert
      First page: 041053
      Abstract: Author(s): Andre C. Barato and Udo Seifert
      Biomolecular networks capable of counting time can be thought of as “Brownian clocks.” The energy budgets necessary to run two classes of such clocks, assuming some minimal required precision, are theoretically determined.
      [Phys. Rev. X 6, 041053] Published Thu Dec 15, 2016
      Citation: Phys. Rev. X 6, 041053 (2016)
      PubDate: 2016-12-15T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041053
      Issue No: Vol. 6, No. 4 (2016)
       
  • Echo Behavior in Large Populations of Chemical Oscillators

    • Authors: Tianran Chen; Mark R. Tinsley, Edward Ott, Kenneth Showalter
      First page: 041054
      Abstract: Author(s): Tianran Chen, Mark R. Tinsley, Edward Ott, and Kenneth Showalter
      A set of over 1000 tiny, parallel chemical reactions demonstrates the first example of an echo phenomenon in a chemical system.
      [Phys. Rev. X 6, 041054] Published Thu Dec 15, 2016
      Citation: Phys. Rev. X 6, 041054 (2016)
      PubDate: 2016-12-15T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041054
      Issue No: Vol. 6, No. 4 (2016)
       
  • Antiferromagnetic and Orbital Ordering on a Diamond Lattice Near Quantum
           Criticality

    • Authors: K. W. Plumb; J. R. Morey, J. A. Rodriguez-Rivera, Hui Wu, A. A. Podlesnyak, T. M. McQueen, C. L. Broholm
      First page: 041055
      Abstract: Author(s): K. W. Plumb, J. R. Morey, J. A. Rodriguez-Rivera, Hui Wu, A. A. Podlesnyak, T. M. McQueen, and C. L. Broholm
      Spin-orbital interactions are of significant interest in condensed matter physics. Now, researchers show how spin and orbital order coexist in FeSc2S4.
      [Phys. Rev. X 6, 041055] Published Fri Dec 16, 2016
      Citation: Phys. Rev. X 6, 041055 (2016)
      PubDate: 2016-12-16T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041055
      Issue No: Vol. 6, No. 4 (2016)
       
  • Echoes in Space and Time

    • Authors: Kang Lin; Peifen Lu, Junyang Ma, Xiaochun Gong, Qiying Song, Qinying Ji, Wenbin Zhang, Heping Zeng, Jian Wu, Gabriel Karras, Guillaume Siour, Jean-Michel Hartmann, Olivier Faucher, Erez Gershnabel, Yehiam Prior, Ilya Sh. Averbukh
      First page: 041056
      Abstract: Author(s): Kang Lin, Peifen Lu, Junyang Ma, Xiaochun Gong, Qiying Song, Qinying Ji, Wenbin Zhang, Heping Zeng, Jian Wu, Gabriel Karras, Guillaume Siour, Jean-Michel Hartmann, Olivier Faucher, Erez Gershnabel, Yehiam Prior, and Ilya Sh. Averbukh
      Echo is a fundamental phenomenon observed in both nature and in scientific techniques such as magnetic resonance imaging. Now, researchers demonstrate new echo phenomena in the orientation of CO2 and N2O molecules excited by femtosecond lasers.
      [Phys. Rev. X 6, 041056] Published Fri Dec 16, 2016
      Citation: Phys. Rev. X 6, 041056 (2016)
      PubDate: 2016-12-16T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041056
      Issue No: Vol. 6, No. 4 (2016)
       
  • Nonequilibrium Interfacial Tension in Simple and Complex Fluids

    • Authors: Domenico Truzzolillo; Serge Mora, Christelle Dupas, Luca Cipelletti
      First page: 041057
      Abstract: Author(s): Domenico Truzzolillo, Serge Mora, Christelle Dupas, and Luca Cipelletti
      Scientists investigate the tension characterizing the interface region between miscible fluids and determine when and why they behave as if they were immiscible.
      [Phys. Rev. X 6, 041057] Published Mon Dec 19, 2016
      Citation: Phys. Rev. X 6, 041057 (2016)
      PubDate: 2016-12-19T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041057
      Issue No: Vol. 6, No. 4 (2016)
       
  • Observation of Weak Collapse in a Bose-Einstein Condensate

    • Authors: Christoph Eigen; Alexander L. Gaunt, Aziza Suleymanzade, Nir Navon, Zoran Hadzibabic, Robert P. Smith
      First page: 041058
      Abstract: Author(s): Christoph Eigen, Alexander L. Gaunt, Aziza Suleymanzade, Nir Navon, Zoran Hadzibabic, and Robert P. Smith
      Researchers investigate a nonlinear wave collapse phenomenon that has hitherto evaded experimental detection.
      [Phys. Rev. X 6, 041058] Published Mon Dec 19, 2016
      Citation: Phys. Rev. X 6, 041058 (2016)
      PubDate: 2016-12-19T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041058
      Issue No: Vol. 6, No. 4 (2016)
       
  • Intertwined Orders in Heavy-Fermion Superconductor CeCoIn_{5}

    • Authors: Duk Y. Kim; Shi-Zeng Lin, Franziska Weickert, Michel Kenzelmann, Eric D. Bauer, Filip Ronning, J. D. Thompson, Roman Movshovich
      First page: 041059
      Abstract: Author(s): Duk Y. Kim, Shi-Zeng Lin, Franziska Weickert, Michel Kenzelmann, Eric D. Bauer, Filip Ronning, J. D. Thompson, and Roman Movshovich
      A substance with controllable properties is valuable in many industrial applications. Scientists show how one such material—CeCoIn5—exists with three different superconducting and magnetic states intertwined together.
      [Phys. Rev. X 6, 041059] Published Tue Dec 20, 2016
      Citation: Phys. Rev. X 6, 041059 (2016)
      PubDate: 2016-12-20T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041059
      Issue No: Vol. 6, No. 4 (2016)
       
  • Coupling a Surface Acoustic Wave to an Electron Spin in Diamond via a Dark
           State

    • Authors: D. Andrew Golter; Thein Oo, Mayra Amezcua, Ignas Lekavicius, Kevin A. Stewart, Hailin Wang
      First page: 041060
      Abstract: Author(s): D. Andrew Golter, Thein Oo, Mayra Amezcua, Ignas Lekavicius, Kevin A. Stewart, and Hailin Wang
      Coupling artificial atoms and acoustic waves may be key in future quantum information processing efforts. An experimental breakthrough in coupling nitrogen vacancy centers strongly to acoustic waves in a way that still preserves their spin coherence is reported.
      [Phys. Rev. X 6, 041060] Published Tue Dec 20, 2016
      Citation: Phys. Rev. X 6, 041060 (2016)
      PubDate: 2016-12-20T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041060
      Issue No: Vol. 6, No. 4 (2016)
       
  • High-Throughput Computation of Thermal Conductivity of High-Temperature
           Solid Phases: The Case of Oxide and Fluoride Perovskites

    • Authors: Ambroise van Roekeghem; Jesús Carrete, Corey Oses, Stefano Curtarolo, Natalio Mingo
      First page: 041061
      Abstract: Author(s): Ambroise van Roekeghem, Jesús Carrete, Corey Oses, Stefano Curtarolo, and Natalio Mingo
      Manufacturing materials with tailorable characteristics requires a detailed understanding of their properties as a function of temperature. A study of the mechanical stability and thermal conductivity of several hundred oxides and fluorides at temperatures up to 1000 K is presented.
      [Phys. Rev. X 6, 041061] Published Wed Dec 21, 2016
      Citation: Phys. Rev. X 6, 041061 (2016)
      PubDate: 2016-12-21T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041061
      Issue No: Vol. 6, No. 4 (2016)
       
  • Spectral Entropies as Information-Theoretic Tools for Complex Network
           Comparison

    • Authors: Manlio De Domenico; Jacob Biamonte
      First page: 041062
      Abstract: Author(s): Manlio De Domenico and Jacob Biamonte
      Disorder—known as entropy—is inherent to all systems, natural and manmade. A way of quantifying a complex network’s entropy is proposed.
      [Phys. Rev. X 6, 041062] Published Wed Dec 21, 2016
      Citation: Phys. Rev. X 6, 041062 (2016)
      PubDate: 2016-12-21T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041062
      Issue No: Vol. 6, No. 4 (2016)
       
  • Direct Observation of Sr Vacancies in SrTiO_{3} by Quantitative Scanning
           Transmission Electron Microscopy

    • Authors: Honggyu Kim; Jack Y. Zhang, Santosh Raghavan, Susanne Stemmer
      First page: 041063
      Abstract: Author(s): Honggyu Kim, Jack Y. Zhang, Santosh Raghavan, and Susanne Stemmer
      Point defects are unavoidable, and they can substantially modulate a material’s electronic, magnetic, and structural properties. Quantitative scanning transmission electron microscopy is used to reveal strontium vacancies in SrTiO3 films.
      [Phys. Rev. X 6, 041063] Published Thu Dec 22, 2016
      Citation: Phys. Rev. X 6, 041063 (2016)
      PubDate: 2016-12-22T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041063
      Issue No: Vol. 6, No. 4 (2016)
       
  • Nonequilibrium Thermodynamics of Chemical Reaction Networks: Wisdom from
           Stochastic Thermodynamics

    • Authors: Riccardo Rao; Massimiliano Esposito
      First page: 041064
      Abstract: Author(s): Riccardo Rao and Massimiliano Esposito
      Coupled chemical reactions play an integral role in cellular functioning. A thermodynamical theory of chemical networks that process energy and information from their surroundings is presented.
      [Phys. Rev. X 6, 041064] Published Thu Dec 22, 2016
      Citation: Phys. Rev. X 6, 041064 (2016)
      PubDate: 2016-12-22T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041064
      Issue No: Vol. 6, No. 4 (2016)
       
  • Emergent Hydrodynamics in Integrable Quantum Systems Out of Equilibrium

    • Authors: Olalla A. Castro-Alvaredo; Benjamin Doyon, Takato Yoshimura
      First page: 041065
      Abstract: Author(s): Olalla A. Castro-Alvaredo, Benjamin Doyon, and Takato Yoshimura
      A new method for calculating the time-evolving behavior of interacting quantum particles in one dimension can be used to model experiments that were previously beyond description.
      [Phys. Rev. X 6, 041065] Published Tue Dec 27, 2016
      Citation: Phys. Rev. X 6, 041065 (2016)
      PubDate: 2016-12-27T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041065
      Issue No: Vol. 6, No. 4 (2016)
       
  • Elastobuoyant Heavy Spheres: A Unique Way to Study Nonlinear Elasticity

    • Authors: Aditi Chakrabarti; Manoj K. Chaudhury, Serge Mora, Yves Pomeau
      First page: 041066
      Abstract: Author(s): Aditi Chakrabarti, Manoj K. Chaudhury, Serge Mora, and Yves Pomeau
      Small deformations of most elastic materials follow a well-known law, but understanding of large deformations is lacking. Scientists investigate large strain behavior using a gel deformed by the weight of a heavy bead.
      [Phys. Rev. X 6, 041066] Published Wed Dec 28, 2016
      Citation: Phys. Rev. X 6, 041066 (2016)
      PubDate: 2016-12-28T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041066
      Issue No: Vol. 6, No. 4 (2016)
       
  • Methodology of Resonant Equiangular Composite Quantum Gates

    • Authors: Guang Hao Low; Theodore J. Yoder, Isaac L. Chuang
      First page: 041067
      Abstract: Author(s): Guang Hao Low, Theodore J. Yoder, and Isaac L. Chuang
      Extracting weak signals from quantum systems is often a test of quantum control. Classical signal-processing techniques are adapted to allow the systematic and efficient design of composite quantum gates for such tasks.
      [Phys. Rev. X 6, 041067] Published Wed Dec 28, 2016
      Citation: Phys. Rev. X 6, 041067 (2016)
      PubDate: 2016-12-28T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041067
      Issue No: Vol. 6, No. 4 (2016)
       
  • Translational Symmetry and Microscopic Constraints on Symmetry-Enriched
           Topological Phases: A View from the Surface

    • Authors: Meng Cheng; Michael Zaletel, Maissam Barkeshli, Ashvin Vishwanath, Parsa Bonderson
      First page: 041068
      Abstract: Author(s): Meng Cheng, Michael Zaletel, Maissam Barkeshli, Ashvin Vishwanath, and Parsa Bonderson
      Researchers show that momentum of particles in some exotic crystalline phases of matter can become fractionalized compared to that of a single particle, and they lay out a way to connect this phenomenon with bulk properties of the crystal.
      [Phys. Rev. X 6, 041068] Published Thu Dec 29, 2016
      Citation: Phys. Rev. X 6, 041068 (2016)
      PubDate: 2016-12-29T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041068
      Issue No: Vol. 6, No. 4 (2016)
       
  • Topological Nonsymmorphic Metals from Band Inversion

    • Authors: Lukas Muechler; A. Alexandradinata, Titus Neupert, Roberto Car
      First page: 041069
      Abstract: Author(s): Lukas Muechler, A. Alexandradinata, Titus Neupert, and Roberto Car
      Crystals with a certain symmetry commonly found in nature come in two varieties: Those with an odd electron number are always metals, and those with an even electron number are either ordinary insulators or topological metals. Now, a new class of topological metals is proposed.
      [Phys. Rev. X 6, 041069] Published Thu Dec 29, 2016
      Citation: Phys. Rev. X 6, 041069 (2016)
      PubDate: 2016-12-29T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041069
      Issue No: Vol. 6, No. 4 (2016)
       
  • Chiral Floquet Phases of Many-Body Localized Bosons

    • Authors: Hoi Chun Po; Lukasz Fidkowski, Takahiro Morimoto, Andrew C. Potter, Ashvin Vishwanath
      First page: 041070
      Abstract: Author(s): Hoi Chun Po, Lukasz Fidkowski, Takahiro Morimoto, Andrew C. Potter, and Ashvin Vishwanath
      Quantum information can be pumped around the edges of a two-dimensional system of bosons, pointing to a possible way to distribute entanglement in quantum communication.
      [Phys. Rev. X 6, 041070] Published Fri Dec 30, 2016
      Citation: Phys. Rev. X 6, 041070 (2016)
      PubDate: 2016-12-30T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041070
      Issue No: Vol. 6, No. 4 (2016)
       
 
 
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