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  Subjects -> PHYSICS (Total: 798 journals)
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PHYSICS (581 journals)

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Journal Cover Physical Review X
  [SJR: 5.04]   [H-I: 38]   [9 followers]  Follow
    
  This is an Open Access Journal Open Access journal
   ISSN (Online) 2160-3308
   Published by APS Homepage  [11 journals]
  • Classification of Interacting Topological Floquet Phases in One Dimension

    • Authors: Andrew C. Potter; Takahiro Morimoto, Ashvin Vishwanath
      First page: 041001
      Abstract: Author(s): Andrew C. Potter, Takahiro Morimoto, and Ashvin Vishwanath
      Repeatedly driving a system with electromagnetic pulses can produce dramatically new quantum properties. A theoretical understanding of new types of quantum phases of interacting matter that exist only in the face of periodic driving is presented.
      [Phys. Rev. X 6, 041001] Published Mon Oct 03, 2016
      Citation: Phys. Rev. X 6, 041001 (2016)
      PubDate: 2016-10-03T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041001
      Issue No: Vol. 6, No. 4 (2016)
       
  • Generalization of Dielectric-Dependent Hybrid Functionals to Finite
           Systems

    • Authors: Nicholas P. Brawand; Márton Vörös, Marco Govoni, Giulia Galli
      First page: 041002
      Abstract: Author(s): Nicholas P. Brawand, Márton Vörös, Marco Govoni, and Giulia Galli
      Interactions between light and matter are of fundamental interest in a variety of fields, such as solar-energy conversion. A new, accurate method, based on first principles, is used to predict the absorption and emission properties of a range of organic and inorganic molecules.
      [Phys. Rev. X 6, 041002] Published Tue Oct 04, 2016
      Citation: Phys. Rev. X 6, 041002 (2016)
      PubDate: 2016-10-04T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041002
      Issue No: Vol. 6, No. 4 (2016)
       
  • The Nature and Correction of Diabatic Errors in Anyon Braiding

    • Authors: Christina Knapp; Michael Zaletel, Dong E. Liu, Meng Cheng, Parsa Bonderson, Chetan Nayak
      First page: 041003
      Abstract: Author(s): Christina Knapp, Michael Zaletel, Dong E. Liu, Meng Cheng, Parsa Bonderson, and Chetan Nayak
      The future of quantum computing hinges on minimizing and correcting computational errors. Researchers investigate errors from the time evolution in systems of exotic quasiparticles, known as anyons, that could provide a well-protected platform for quantum computing.
      [Phys. Rev. X 6, 041003] Published Tue Oct 04, 2016
      Citation: Phys. Rev. X 6, 041003 (2016)
      PubDate: 2016-10-04T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041003
      Issue No: Vol. 6, No. 4 (2016)
       
  • Direct Frequency Comb Laser Cooling and Trapping

    • Authors: A. M. Jayich; X. Long, W. C. Campbell
      First page: 041004
      Abstract: Author(s): A. M. Jayich, X. Long, and W. C. Campbell
      Ensembles of ultracold atoms suffer only minimally from thermal fluctuations and, accordingly, are useful in a variety of fields. A new laser-cooling technique is demonstrated that can be applied to simple, abundant atoms such as hydrogen and carbon.
      [Phys. Rev. X 6, 041004] Published Mon Oct 10, 2016
      Citation: Phys. Rev. X 6, 041004 (2016)
      PubDate: 2016-10-10T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041004
      Issue No: Vol. 6, No. 4 (2016)
       
  • Versatile van der Waals Density Functional Based on a Meta-Generalized
           Gradient Approximation

    • Authors: Haowei Peng; Zeng-Hui Yang, John P. Perdew, Jianwei Sun
      First page: 041005
      Abstract: Author(s): Haowei Peng, Zeng-Hui Yang, John P. Perdew, and Jianwei Sun
      Van der Waals interactions are ubiquitous in different materials yet not always described properly by current theories. Now, researchers have determined how to accurately and efficiently treat long-range Van der Waals interactions together with other chemical bonds, new findings that are important for studies of layered materials.
      [Phys. Rev. X 6, 041005] Published Wed Oct 12, 2016
      Citation: Phys. Rev. X 6, 041005 (2016)
      PubDate: 2016-10-12T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041005
      Issue No: Vol. 6, No. 4 (2016)
       
  • Flux-Fusion Anomaly Test and Bosonic Topological Crystalline Insulators

    • Authors: Michael Hermele; Xie Chen
      First page: 041006
      Abstract: Author(s): Michael Hermele and Xie Chen
      A stepping stone to experimentally realizing new quantum phases of matter is to determine theoretically which phases are possible as a matter of principle. Researchers have now proposed theories of new topological crystalline insulators in three dimensions.
      [Phys. Rev. X 6, 041006] Published Thu Oct 13, 2016
      Citation: Phys. Rev. X 6, 041006 (2016)
      PubDate: 2016-10-13T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041006
      Issue No: Vol. 6, No. 4 (2016)
       
  • Electron Doping a Kagome Spin Liquid

    • Authors: Z. A. Kelly; M. J. Gallagher, T. M. McQueen
      First page: 041007
      Abstract: Author(s): Z. A. Kelly, M. J. Gallagher, and T. M. McQueen
      Researchers have added dopant atoms to a quantum spin liquid in an effort to make it superconduct, but the material upended theory by remaining an insulator.
      [Phys. Rev. X 6, 041007] Published Thu Oct 13, 2016
      Citation: Phys. Rev. X 6, 041007 (2016)
      PubDate: 2016-10-13T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041007
      Issue No: Vol. 6, No. 4 (2016)
       
  • Wave-front Transformation with Gradient Metasurfaces

    • Authors: Nasim Mohammadi Estakhri; Andrea Alù
      First page: 041008
      Abstract: Author(s): Nasim Mohammadi Estakhri and Andrea Alù
      Metasurfaces are engineered systems that enable advanced control of electromagnetic waves over deeply subwavelength thicknesses. Researchers make a careful study of the use of metasurfaces to transform the impinging optical wave front.
      [Phys. Rev. X 6, 041008] Published Fri Oct 14, 2016
      Citation: Phys. Rev. X 6, 041008 (2016)
      PubDate: 2016-10-14T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041008
      Issue No: Vol. 6, No. 4 (2016)
       
  • Genome-Wide Motif Statistics are Shaped by DNA Binding Proteins over
           Evolutionary Time Scales

    • Authors: Long Qian; Edo Kussell
      First page: 041009
      Abstract: Author(s): Long Qian and Edo Kussell
      Short stretches of DNA that can inappropriately bind regulatory proteins are statistically rare in many genomes, suggesting that evolutionary pressure works against them.
      [Phys. Rev. X 6, 041009] Published Fri Oct 14, 2016
      Citation: Phys. Rev. X 6, 041009 (2016)
      PubDate: 2016-10-14T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041009
      Issue No: Vol. 6, No. 4 (2016)
       
  • Brownian Duet: A Novel Tale of Thermodynamic Efficiency

    • Authors: Karel Proesmans; Yannik Dreher, Momčilo Gavrilov, John Bechhoefer, Christian Van den Broeck
      First page: 041010
      Abstract: Author(s): Karel Proesmans, Yannik Dreher, Momčilo Gavrilov, John Bechhoefer, and Christian Van den Broeck
      The stochastic thermodynamic properties of an isothermal Brownian engine consisting of a micron-sized colloidal particle are calculated analytically and tested experimentally.
      [Phys. Rev. X 6, 041010] Published Mon Oct 17, 2016
      Citation: Phys. Rev. X 6, 041010 (2016)
      PubDate: 2016-10-17T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041010
      Issue No: Vol. 6, No. 4 (2016)
       
  • Dynamic Atomic Reconstruction: How Fe_{3} O_{4} Thin Films Evade Polar
           Catastrophe for Epitaxy

    • Authors: C. F. Chang; Z. Hu, S. Klein, X. H. Liu, R. Sutarto, A. Tanaka, J. C. Cezar, N. B. Brookes, H.-J. Lin, H. H. Hsieh, C. T. Chen, A. D. Rata, L. H. Tjeng
      First page: 041011
      Abstract: Author(s): C. F. Chang, Z. Hu, S. Klein, X. H. Liu, R. Sutarto, A. Tanaka, J. C. Cezar, N. B. Brookes, H.-J. Lin, H. H. Hsieh, C. T. Chen, A. D. Rata, and L. H. Tjeng
      On atomic scales, some materials can destabilize because of electrostatic forces. Based on experimental evidence, researchers now theorize how exactly atoms rearrange to overcome this destabilization.
      [Phys. Rev. X 6, 041011] Published Tue Oct 18, 2016
      Citation: Phys. Rev. X 6, 041011 (2016)
      PubDate: 2016-10-18T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041011
      Issue No: Vol. 6, No. 4 (2016)
       
  • High-Quality CrO_{2} Nanowires for Dissipation-less Spintronics

    • Authors: Amrita Singh; Charlotte Jansen, Kaveh Lahabi, Jan Aarts
      First page: 041012
      Abstract: Author(s): Amrita Singh, Charlotte Jansen, Kaveh Lahabi, and Jan Aarts
      Information storage can be accomplished using quantum mechanical spin. Now, researchers have demonstrated a ferromagnetic nanostructure that can carry spin-polarized supercurrents.
      [Phys. Rev. X 6, 041012] Published Tue Oct 18, 2016
      Citation: Phys. Rev. X 6, 041012 (2016)
      PubDate: 2016-10-18T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041012
      Issue No: Vol. 6, No. 4 (2016)
       
  • Thermal Transport in Crystals as a Kinetic Theory of Relaxons

    • Authors: Andrea Cepellotti; Nicola Marzari
      First page: 041013
      Abstract: Author(s): Andrea Cepellotti and Nicola Marzari
      A recasting of the theory that underlies thermal transport in electrical insulators relies on new vibrational modes called relaxons.
      [Phys. Rev. X 6, 041013] Published Mon Oct 17, 2016
      Citation: Phys. Rev. X 6, 041013 (2016)
      PubDate: 2016-10-17T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041013
      Issue No: Vol. 6, No. 4 (2016)
       
  • Improved Analysis of GW150914 Using a Fully Spin-Precessing Waveform Model

    • Authors: B. P. Abbott <em>et al.</em> (LIGO Scientific Collaboration; Virgo Collaboration)
      First page: 041014
      Abstract: Author(s): B. P. Abbott et al. (LIGO Scientific Collaboration and Virgo Collaboration)
      Observational astronomy devoted to the detection of ripples in spacetime was born in 2015 with the first detection of gravitational waves. Now, researchers use updated complete spin models to estimate the black hole component masses of the objects involved in the GW150914 coalescence event.
      [Phys. Rev. X 6, 041014] Published Fri Oct 21, 2016
      Citation: Phys. Rev. X 6, 041014 (2016)
      PubDate: 2016-10-21T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041014
      Issue No: Vol. 6, No. 4 (2016)
       
  • Binary Black Hole Mergers in the First Advanced LIGO Observing Run

    • Authors: B. P. Abbott <em>et al.</em> (LIGO Scientific Collaboration; Virgo Collaboration)
      First page: 041015
      Abstract: Author(s): B. P. Abbott et al. (LIGO Scientific Collaboration and Virgo Collaboration)
      Advanced LIGO has observed three binary black hole merger events using sensitive interferometers located in Washington state and Louisiana. Based on estimates of the stellar-mass binary black hole merger rate, researchers are confident that additional detections will result from Advanced LIGO’s second run.
      [Phys. Rev. X 6, 041015] Published Fri Oct 21, 2016
      Citation: Phys. Rev. X 6, 041015 (2016)
      PubDate: 2016-10-21T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041015
      Issue No: Vol. 6, No. 4 (2016)
       
  • Fluctuating States: What is the Probability of a Thermodynamical
           Transition?

    • Authors: Álvaro M. Alhambra; Jonathan Oppenheim, Christopher Perry
      First page: 041016
      Abstract: Author(s): Álvaro M. Alhambra, Jonathan Oppenheim, and Christopher Perry
      The second law of thermodynamics is concerned with what state formations are allowed by nature. Now, drawing inspiration from quantum information theory, researchers show that for microscopic or quantum systems, one can perform an outlawed state transformation.
      [Phys. Rev. X 6, 041016] Published Mon Oct 24, 2016
      Citation: Phys. Rev. X 6, 041016 (2016)
      PubDate: 2016-10-24T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041016
      Issue No: Vol. 6, No. 4 (2016)
       
  • Fluctuating Work: From Quantum Thermodynamical Identities to a Second Law
           Equality

    • Authors: Álvaro M. Alhambra; Lluis Masanes, Jonathan Oppenheim, Christopher Perry
      First page: 041017
      Abstract: Author(s): Álvaro M. Alhambra, Lluis Masanes, Jonathan Oppenheim, and Christopher Perry
      The second law of thermodynamics plays an important role in both everyday life—think of hot coffee cooling off—and a range of scientific disciplines. Now, researchers prove a more accurate version of the second law, which states precisely by how much the hot coffee cools off, as well as being relevant to small quantum systems.
      [Phys. Rev. X 6, 041017] Published Mon Oct 24, 2016
      Citation: Phys. Rev. X 6, 041017 (2016)
      PubDate: 2016-10-24T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041017
      Issue No: Vol. 6, No. 4 (2016)
       
  • Parity-Time Symmetric Nonlocal Metasurfaces: All-Angle Negative Refraction
           and Volumetric Imaging

    • Authors: Francesco Monticone; Constantinos A. Valagiannopoulos, Andrea Alù
      First page: 041018
      Abstract: Author(s): Francesco Monticone, Constantinos A. Valagiannopoulos, and Andrea Alù
      Lenses are critical to a variety of fields of science, but optical aberrations such as astigmatism are common problems. A “perfect” lens made of two metasurfaces is theoretically developed.
      [Phys. Rev. X 6, 041018] Published Tue Oct 25, 2016
      Citation: Phys. Rev. X 6, 041018 (2016)
      PubDate: 2016-10-25T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041018
      Issue No: Vol. 6, No. 4 (2016)
       
  • Directly Characterizing the Relative Strength and Momentum Dependence of
           Electron-Phonon Coupling Using Resonant Inelastic X-Ray Scattering

    • Authors: T. P. Devereaux; A. M. Shvaika, K. Wu, K. Wohlfeld, C. J. Jia, Y. Wang, B. Moritz, L. Chaix, W.-S. Lee, Z.-X. Shen, G. Ghiringhelli, L. Braicovich
      First page: 041019
      Abstract: Author(s): T. P. Devereaux, A. M. Shvaika, K. Wu, K. Wohlfeld, C. J. Jia, Y. Wang, B. Moritz, L. Chaix, W.-S. Lee, Z.-X. Shen, G. Ghiringhelli, and L. Braicovich
      Many copper-based materials exhibit coupling between their electrons and excitations known as phonons. Now, researchers demonstrate a tool to accurately study the details of this coupling.
      [Phys. Rev. X 6, 041019] Published Tue Oct 25, 2016
      Citation: Phys. Rev. X 6, 041019 (2016)
      PubDate: 2016-10-25T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041019
      Issue No: Vol. 6, No. 4 (2016)
       
  • Origin and Magnitude of ‘Designer’ Spin-Orbit Interaction in Graphene
           on Semiconducting Transition Metal Dichalcogenides

    • Authors: Zhe Wang; Dong-Keun Ki, Jun Yong Khoo, Diego Mauro, Helmuth Berger, Leonid S. Levitov, Alberto F. Morpurgo
      First page: 041020
      Abstract: Author(s): Zhe Wang, Dong-Keun Ki, Jun Yong Khoo, Diego Mauro, Helmuth Berger, Leonid S. Levitov, and Alberto F. Morpurgo
      Spin-orbit interactions are responsible for intriguing phenomena such as topological insulating states. Now, scientists study the spin-orbit interactions of electrons directly at the interface between graphene and transition-metal dichalcogenides.
      [Phys. Rev. X 6, 041020] Published Wed Oct 26, 2016
      Citation: Phys. Rev. X 6, 041020 (2016)
      PubDate: 2016-10-26T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041020
      Issue No: Vol. 6, No. 4 (2016)
       
  • Chiral Anomaly from Strain-Induced Gauge Fields in Dirac and Weyl
           Semimetals

    • Authors: D. I. Pikulin; Anffany Chen, M. Franz
      First page: 041021
      Abstract: Author(s): D. I. Pikulin, Anffany Chen, and M. Franz
      In certain materials, mechanical strain can mimic the effects of real electromagnetic fields. A theoretical examination explores how Dirac and Weyl semimetals respond to both torsional and unidirectional strain.
      [Phys. Rev. X 6, 041021] Published Thu Oct 27, 2016
      Citation: Phys. Rev. X 6, 041021 (2016)
      PubDate: 2016-10-27T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041021
      Issue No: Vol. 6, No. 4 (2016)
       
  • Hidden Connectivity in Networks with Vulnerable Classes of Nodes

    • Authors: Sebastian M. Krause; Michael M. Danziger, Vinko Zlatić
      First page: 041022
      Abstract: Author(s): Sebastian M. Krause, Michael M. Danziger, and Vinko Zlatić
      Many networks—electronic, physical, or biological—have mutually shared vulnerabilities that render them significantly less secure and robust. Now, the conditions necessary for secure connectivity within a network characterized by vulnerabilities affecting many nodes are calculated
      [Phys. Rev. X 6, 041022] Published Thu Oct 27, 2016
      Citation: Phys. Rev. X 6, 041022 (2016)
      PubDate: 2016-10-27T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041022
      Issue No: Vol. 6, No. 4 (2016)
       
  • Frictional Sliding without Geometrical Reflection Symmetry

    • Authors: Michael Aldam; Yohai Bar-Sinai, Ilya Svetlizky, Efim A. Brener, Jay Fineberg, Eran Bouchbinder
      First page: 041023
      Abstract: Author(s): Michael Aldam, Yohai Bar-Sinai, Ilya Svetlizky, Efim A. Brener, Jay Fineberg, and Eran Bouchbinder
      Friction plays a key role in everyday life. A new study shows that frictional resistance depends on the geometry of the bodies in frictional contact.
      [Phys. Rev. X 6, 041023] Published Fri Oct 28, 2016
      Citation: Phys. Rev. X 6, 041023 (2016)
      PubDate: 2016-10-28T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041023
      Issue No: Vol. 6, No. 4 (2016)
       
  • Low-Noise Amplification and Frequency Conversion with a Multiport
           Microwave Optomechanical Device

    • Authors: C. F. Ockeloen-Korppi; E. Damskägg, J.-M. Pirkkalainen, T. T. Heikkilä, F. Massel, M. A. Sillanpää
      First page: 041024
      Abstract: Author(s): C. F. Ockeloen-Korppi, E. Damskägg, J.-M. Pirkkalainen, T. T. Heikkilä, F. Massel, and M. A. Sillanpää
      High-precision quantum measurements often require signal amplification. A new technique shows how weak electromagnetic signals can be both amplified and modulated in frequency.
      [Phys. Rev. X 6, 041024] Published Fri Oct 28, 2016
      Citation: Phys. Rev. X 6, 041024 (2016)
      PubDate: 2016-10-28T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041024
      Issue No: Vol. 6, No. 4 (2016)
       
  • Generalized Liquid Crystals: Giant Fluctuations and the Vestigial Chiral
           Order of I, O, and T Matter

    • Authors: Ke Liu (刘科 子竞); Jaakko Nissinen, Robert-Jan Slager, Kai Wu, Jan Zaanen
      First page: 041025
      Abstract: Author(s): Ke Liu (刘科 子竞), Jaakko Nissinen, Robert-Jan Slager, Kai Wu, and Jan Zaanen
      Nematic liquid crystals are widely used in the electronics industry. The variety of possible forms of nematic liquid crystals are investigated using techniques borrowed from high-energy physics.
      [Phys. Rev. X 6, 041025] Published Mon Oct 31, 2016
      Citation: Phys. Rev. X 6, 041025 (2016)
      PubDate: 2016-10-31T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041025
      Issue No: Vol. 6, No. 4 (2016)
       
  • Generalized Liquid Crystals: Giant Fluctuations and the Vestigial Chiral
           Order of I, O, and T Matter

    • Authors: Ke Liu (刘科 子竞); Jaakko Nissinen, Robert-Jan Slager, Kai Wu, Jan Zaanen
      First page: 041025
      Abstract: Author(s): Ke Liu (刘科 子竞), Jaakko Nissinen, Robert-Jan Slager, Kai Wu, and Jan Zaanen
      Nematic liquid crystals are widely used in the electronics industry. The variety of possible forms of nematic liquid crystals are investigated using techniques borrowed from high-energy physics.
      [Phys. Rev. X 6, 041025] Published Mon Oct 31, 2016
      Citation: Phys. Rev. X 6, 041025 (2016)
      PubDate: 2016-10-31T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041025
      Issue No: Vol. 6, No. 4 (2016)
       
  • Topological Quantum Fluctuations and Traveling Wave Amplifiers

    • Authors: Vittorio Peano; Martin Houde, Florian Marquardt, Aashish A. Clerk
      First page: 041026
      Abstract: Author(s): Vittorio Peano, Martin Houde, Florian Marquardt, and Aashish A. Clerk
      Devices in which photons are naturally protected both against internal losses and backscattering would be valuable for amplifying quantum signals. A new approach proposes an amplifier where such protection is present and has a topological origin.
      [Phys. Rev. X 6, 041026] Published Tue Nov 01, 2016
      Citation: Phys. Rev. X 6, 041026 (2016)
      PubDate: 2016-11-01T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041026
      Issue No: Vol. 6, No. 4 (2016)
       
  • Topological Quantum Fluctuations and Traveling Wave Amplifiers

    • Authors: Vittorio Peano; Martin Houde, Florian Marquardt, Aashish A. Clerk
      First page: 041026
      Abstract: Author(s): Vittorio Peano, Martin Houde, Florian Marquardt, and Aashish A. Clerk
      Devices in which photons are naturally protected both against internal losses and backscattering would be valuable for amplifying quantum signals. A new approach proposes an amplifier where such protection is present and has a topological origin.
      [Phys. Rev. X 6, 041026] Published Tue Nov 01, 2016
      Citation: Phys. Rev. X 6, 041026 (2016)
      PubDate: 2016-11-01T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.041026
      Issue No: Vol. 6, No. 4 (2016)
       
  • Double Quantum Dot Floquet Gain Medium

    • Authors: J. Stehlik; Y.-Y. Liu, C. Eichler, T. R. Hartke, X. Mi, M. J. Gullans, J. M. Taylor, J. R. Petta
      First page: 041027
      Abstract: Author(s): J. Stehlik, Y.-Y. Liu, C. Eichler, T. R. Hartke, X. Mi, M. J. Gullans, J. M. Taylor, and J. R. Petta
      Light-matter interactions on the level of single photons will be important in next-generation communications and electronic devices. A new experiment shows how a confined electron can repeatedly emit a microwave photon.
      [Phys. Rev. X 6, 041027] Published Mon Nov 07, 2016
      Citation: Phys. Rev. X 6, 041027 (2016)
      PubDate: 2016-11-07T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041027
      Issue No: Vol. 6, No. 4 (2016)
       
  • Quantum Processes Which Do Not Use Coherence

    • Authors: Benjamin Yadin; Jiajun Ma, Davide Girolami, Mile Gu, Vlatko Vedral
      First page: 041028
      Abstract: Author(s): Benjamin Yadin, Jiajun Ma, Davide Girolami, Mile Gu, and Vlatko Vedral
      Coherence is a fundamental feature of quantum theory and promises to underpin many future quantum technologies. By studying processes where it is not a necessary resource, researchers sharpen the theory of coherence finding links with interferometry and quantum correlations.
      [Phys. Rev. X 6, 041028] Published Mon Nov 07, 2016
      Citation: Phys. Rev. X 6, 041028 (2016)
      PubDate: 2016-11-07T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041028
      Issue No: Vol. 6, No. 4 (2016)
       
  • Geared Topological Metamaterials with Tunable Mechanical Stability

    • Authors: Anne S. Meeussen; Jayson Paulose, Vincenzo Vitelli
      First page: 041029
      Abstract: Author(s): Anne S. Meeussen, Jayson Paulose, and Vincenzo Vitelli
      An object can be commonly thought of as rigid or floppy. Now, scientists design and build periodic gear assemblies that can have topological floppy modes.
      [Phys. Rev. X 6, 041029] Published Tue Nov 08, 2016
      Citation: Phys. Rev. X 6, 041029 (2016)
      PubDate: 2016-11-08T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041029
      Issue No: Vol. 6, No. 4 (2016)
       
  • Proton Acceleration Driven by a Nanosecond Laser from a Cryogenic Thin
           Solid-Hydrogen Ribbon

    • Authors: D. Margarone; A. Velyhan, J. Dostal, J. Ullschmied, J. P. Perin, D. Chatain, S. Garcia, P. Bonnay, T. Pisarczyk, R. Dudzak, M. Rosinski, J. Krasa, L. Giuffrida, J. Prokupek, V. Scuderi, J. Psikal, M. Kucharik, M. De Marco, J. Cikhardt, E. Krousky, Z. Kalinowska, T. Chodukowski, G. A. P. Cirrone, G. Korn
      First page: 041030
      Abstract: Author(s): D. Margarone, A. Velyhan, J. Dostal, J. Ullschmied, J. P. Perin, D. Chatain, S. Garcia, P. Bonnay, T. Pisarczyk, R. Dudzak, M. Rosinski, J. Krasa, L. Giuffrida, J. Prokupek, V. Scuderi, J. Psikal, M. Kucharik, M. De Marco, J. Cikhardt, E. Krousky, Z. Kalinowska, T. Chodukowski, G. A. P. Cirrone, and G. Korn
      Generating pure proton beams using lasers for novel cancer therapies has long challenged researchers. In a new experiment, scientists irradiate a thin hydrogen ribbon with a high-power laser to generate a large and pure population of protons.
      [Phys. Rev. X 6, 041030] Published Tue Nov 08, 2016
      Citation: Phys. Rev. X 6, 041030 (2016)
      PubDate: 2016-11-08T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041030
      Issue No: Vol. 6, No. 4 (2016)
       
  • Geometry and Response of Lindbladians

    • Authors: Victor V. Albert; Barry Bradlyn, Martin Fraas, Liang Jiang
      First page: 041031
      Abstract: Author(s): Victor V. Albert, Barry Bradlyn, Martin Fraas, and Liang Jiang
      Researchers determine how the steady states of a quantum system with multiple such states depend on the initial properties of the system.
      [Phys. Rev. X 6, 041031] Published Wed Nov 16, 2016
      Citation: Phys. Rev. X 6, 041031 (2016)
      PubDate: 2016-11-16T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041031
      Issue No: Vol. 6, No. 4 (2016)
       
  • Densest Local Structures of Uniaxial Ellipsoids

    • Authors: Fabian M. Schaller; Robert F. B. Weigel, Sebastian C. Kapfer
      First page: 041032
      Abstract: Author(s): Fabian M. Schaller, Robert F. B. Weigel, and Sebastian C. Kapfer
      Packing particles into a confined space is a feature of geological and industrial processes. A numerical investigation of the densest ways to pack aspherical particles may hold clues about the structure of granular piles.
      [Phys. Rev. X 6, 041032] Published Thu Nov 17, 2016
      Citation: Phys. Rev. X 6, 041032 (2016)
      PubDate: 2016-11-17T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041032
      Issue No: Vol. 6, No. 4 (2016)
       
  • Measurement Protocol for the Entanglement Spectrum of Cold Atoms

    • Authors: Hannes Pichler; Guanyu Zhu, Alireza Seif, Peter Zoller, Mohammad Hafezi
      First page: 041033
      Abstract: Author(s): Hannes Pichler, Guanyu Zhu, Alireza Seif, Peter Zoller, and Mohammad Hafezi
      Entanglement, a key aspect of quantum mechanics, is critical to quantum information theory. Researchers theoretically show how cold atoms can be manipulated to measure the entanglement spectrum of a many-body quantum state.
      [Phys. Rev. X 6, 041033] Published Thu Nov 17, 2016
      Citation: Phys. Rev. X 6, 041033 (2016)
      PubDate: 2016-11-17T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041033
      Issue No: Vol. 6, No. 4 (2016)
       
  • Resilience to Time-Correlated Noise in Quantum Computation

    • Authors: Héctor Bombín
      First page: 041034
      Abstract: Author(s): Héctor Bombín
      A significant challenge facing quantum computation is noise, and current theory proposes that it is surmountable if it is sufficiently weak and also weakly correlated in space and time. Now, researchers theoretically show that quantum computation can be achieved even when noise with arbitrary time correlations is present.
      [Phys. Rev. X 6, 041034] Published Fri Nov 18, 2016
      Citation: Phys. Rev. X 6, 041034 (2016)
      PubDate: 2016-11-18T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041034
      Issue No: Vol. 6, No. 4 (2016)
       
  • Towards a Room-Temperature Spin Quantum Bus in Diamond via Electron
           Photoionization, Transport, and Capture

    • Authors: M. W. Doherty; C. A. Meriles, A. Alkauskas, H. Fedder, M. J. Sellars, N. B. Manson
      First page: 041035
      Abstract: Author(s): M. W. Doherty, C. A. Meriles, A. Alkauskas, H. Fedder, M. J. Sellars, and N. B. Manson
      Quantum computing relies on realizing on-chip communication channels. Researchers propose a method to connect defect clusters in diamond at room temperature to enable information exchange.
      [Phys. Rev. X 6, 041035] Published Fri Nov 18, 2016
      Citation: Phys. Rev. X 6, 041035 (2016)
      PubDate: 2016-11-18T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041035
      Issue No: Vol. 6, No. 4 (2016)
       
  • Coherent Structures and Extreme Events in Rotating Multiphase Turbulent
           Flows

    • Authors: L. Biferale; F. Bonaccorso, I. M. Mazzitelli, M. A. T. van Hinsberg, A. S. Lanotte, S. Musacchio, P. Perlekar, F. Toschi
      First page: 041036
      Abstract: Author(s): L. Biferale, F. Bonaccorso, I. M. Mazzitelli, M. A. T. van Hinsberg, A. S. Lanotte, S. Musacchio, P. Perlekar, and F. Toschi
      Turbulence is inherent in both nature and industrial mixing applications. Numerical simulations shows how particles of different mass diffuse in a rotating medium.
      [Phys. Rev. X 6, 041036] Published Mon Nov 21, 2016
      Citation: Phys. Rev. X 6, 041036 (2016)
      PubDate: 2016-11-21T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041036
      Issue No: Vol. 6, No. 4 (2016)
       
  • Universal Proximity Effect in Target Search Kinetics in the Few-Encounter
           Limit

    • Authors: Aljaž Godec; Ralf Metzler
      First page: 041037
      Abstract: Author(s): Aljaž Godec and Ralf Metzler
      Target search processes can be found in a variety of fields spanning animal science, disease spreading, geophysics, and molecular signaling in biology. A theoretical analysis of the distribution of particles arriving at a target a certain distance away from their origin is presented.
      [Phys. Rev. X 6, 041037] Published Mon Nov 21, 2016
      Citation: Phys. Rev. X 6, 041037 (2016)
      PubDate: 2016-11-21T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041037
      Issue No: Vol. 6, No. 4 (2016)
       
  • Oscillatory Noncollinear Magnetism Induced by Interfacial Charge Transfer
           in Superlattices Composed of Metallic Oxides

    • Authors: Jason D. Hoffman; Brian J. Kirby, Jihwan Kwon, Gilberto Fabbris, D. Meyers, John W. Freeland, Ivar Martin, Olle G. Heinonen, Paul Steadman, Hua Zhou, Christian M. Schlepütz, Mark P. M. Dean, Suzanne G. E. te Velthuis, Jian-Min Zuo, Anand Bhattacharya
      First page: 041038
      Abstract: Author(s): Jason D. Hoffman, Brian J. Kirby, Jihwan Kwon, Gilberto Fabbris, D. Meyers, John W. Freeland, Ivar Martin, Olle G. Heinonen, Paul Steadman, Hua Zhou, Christian M. Schlepütz, Mark P. M. Dean, Suzanne G. E. te Velthuis, Jian-Min Zuo, and Anand Bhattacharya
      Unexpected forms of proximity-induced superconductivity can result from magnetization developing a “twist.” Researchers demonstrate the noncollinear magnetic structure of a nanometer-scale stack of two metallic oxides.
      [Phys. Rev. X 6, 041038] Published Tue Nov 22, 2016
      Citation: Phys. Rev. X 6, 041038 (2016)
      PubDate: 2016-11-22T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041038
      Issue No: Vol. 6, No. 4 (2016)
       
  • Quantum-Fluctuation-Driven Crossover from a Dilute Bose-Einstein
           Condensate to a Macrodroplet in a Dipolar Quantum Fluid

    • Authors: L. Chomaz; S. Baier, D. Petter, M. J. Mark, F. Wächtler, L. Santos, F. Ferlaino
      First page: 041039
      Abstract: Author(s): L. Chomaz, S. Baier, D. Petter, M. J. Mark, F. Wächtler, L. Santos, and F. Ferlaino
      Experiments with ultracold magnetic atoms reveal liquid-like quantum droplets that are 20 times larger than previously observed droplets.
      [Phys. Rev. X 6, 041039] Published Tue Nov 22, 2016
      Citation: Phys. Rev. X 6, 041039 (2016)
      PubDate: 2016-11-22T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041039
      Issue No: Vol. 6, No. 4 (2016)
       
  • Confinement and String Breaking for QED_{2} in the Hamiltonian Picture

    • Authors: Boye Buyens; Jutho Haegeman, Henri Verschelde, Frank Verstraete, Karel Van Acoleyen
      First page: 041040
      Abstract: Author(s): Boye Buyens, Jutho Haegeman, Henri Verschelde, Frank Verstraete, and Karel Van Acoleyen
      A key aspect of the standard model is the fact that quarks or gluons are not observed by themselves in nature. Scientists simulate, in one spatial dimension, the string breaking responsible for keeping these particles in pairs.
      [Phys. Rev. X 6, 041040] Published Wed Nov 23, 2016
      Citation: Phys. Rev. X 6, 041040 (2016)
      PubDate: 2016-11-23T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041040
      Issue No: Vol. 6, No. 4 (2016)
       
  • Observation of the Phononic Lamb Shift with a Synthetic Vacuum

    • Authors: T. Rentrop; A. Trautmann, F. A. Olivares, F. Jendrzejewski, A. Komnik, M. K. Oberthaler
      First page: 041041
      Abstract: Author(s): T. Rentrop, A. Trautmann, F. A. Olivares, F. Jendrzejewski, A. Komnik, and M. K. Oberthaler
      Cold atomic gases exhibit a phononic analog of the Lamb shift, in which energy levels shift in the presence of the quantum vacuum.
      [Phys. Rev. X 6, 041041] Published Mon Nov 28, 2016
      Citation: Phys. Rev. X 6, 041041 (2016)
      PubDate: 2016-11-28T10:00:00-05:00
      DOI: 10.1103/PhysRevX.6.041041
      Issue No: Vol. 6, No. 4 (2016)
       
  • 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)
       
  • Optically Controlled Oscillators in an Engineered Bioelectric Tissue

    • Authors: Harold M. McNamara; Hongkang Zhang, Christopher A. Werley, Adam E. Cohen
      First page: 031001
      Abstract: Author(s): Harold M. McNamara, Hongkang Zhang, Christopher A. Werley, and Adam E. Cohen
      Cells that are electrically active and that also produce light for easy voltage monitoring could lead to new studies of heart arrhythmias and possibly bio-computing.
      [Phys. Rev. X 6, 031001] Published Fri Jul 01, 2016
      Citation: Phys. Rev. X 6, 031001 (2016)
      PubDate: 2016-07-01T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031001
      Issue No: Vol. 6, No. 3 (2016)
       
  • Interacting Electrodynamics of Short Coherent Conductors in Quantum
           Circuits

    • Authors: C. Altimiras; F. Portier, P. Joyez
      First page: 031002
      Abstract: Author(s): C. Altimiras, F. Portier, and P. Joyez
      In quantum circuits, electrical fluctuations render the behavior of the components interdependent, calling for new circuit rules. Now, researchers establish such rules for simple quantum components.
      [Phys. Rev. X 6, 031002] Published Tue Jul 05, 2016
      Citation: Phys. Rev. X 6, 031002 (2016)
      PubDate: 2016-07-05T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031002
      Issue No: Vol. 6, No. 3 (2016)
       
  • Triple Point Topological Metals

    • Authors: Ziming Zhu; Georg W. Winkler, QuanSheng Wu, Ju Li, Alexey A. Soluyanov
      First page: 031003
      Abstract: Author(s): Ziming Zhu, Georg W. Winkler, QuanSheng Wu, Ju Li, and Alexey A. Soluyanov
      Quasiparticles with no direct analogs in the standard model have been recently revealed in experiments. Researchers theoretically analyze the physical properties of triple point fermions, which can be thought of as a melding of Dirac and Weyl fermions.
      [Phys. Rev. X 6, 031003] Published Thu Jul 07, 2016
      Citation: Phys. Rev. X 6, 031003 (2016)
      PubDate: 2016-07-07T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031003
      Issue No: Vol. 6, No. 3 (2016)
       
  • Resonance Fluorescence from an Artificial Atom in Squeezed Vacuum

    • Authors: D. M. Toyli; A. W. Eddins, S. Boutin, S. Puri, D. Hover, V. Bolkhovsky, W. D. Oliver, A. Blais, I. Siddiqi
      First page: 031004
      Abstract: Author(s): D. M. Toyli, A. W. Eddins, S. Boutin, S. Puri, D. Hover, V. Bolkhovsky, W. D. Oliver, A. Blais, and I. Siddiqi
      By bathing a superconducting qubit in squeezed light, researchers have been able to confirm a decades-old prediction for the resulting phase-dependent spectrum of resonance fluorescence.
      [Phys. Rev. X 6, 031004] Published Mon Jul 11, 2016
      Citation: Phys. Rev. X 6, 031004 (2016)
      PubDate: 2016-07-11T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031004
      Issue No: Vol. 6, No. 3 (2016)
       
  • Detectability Thresholds and Optimal Algorithms for Community Structure in
           Dynamic Networks

    • Authors: Amir Ghasemian; Pan Zhang, Aaron Clauset, Cristopher Moore, Leto Peel
      First page: 031005
      Abstract: Author(s): Amir Ghasemian, Pan Zhang, Aaron Clauset, Cristopher Moore, and Leto Peel
      Dynamic networks are common in complex systems, and coarse-graining their evolving structure is a key step to understanding them. General mathematical tools for identifying the theoretical limits of such methods are presented.
      [Phys. Rev. X 6, 031005] Published Wed Jul 13, 2016
      Citation: Phys. Rev. X 6, 031005 (2016)
      PubDate: 2016-07-13T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031005
      Issue No: Vol. 6, No. 3 (2016)
       
  • New Class of Quantum Error-Correcting Codes for a Bosonic Mode

    • Authors: Marios H. Michael; Matti Silveri, R. T. Brierley, Victor V. Albert, Juha Salmilehto, Liang Jiang, S. M. Girvin
      First page: 031006
      Abstract: Author(s): Marios H. Michael, Matti Silveri, R. T. Brierley, Victor V. Albert, Juha Salmilehto, Liang Jiang, and S. M. Girvin
      Optimal quantum error-correction codes are necessary to extend the lifetime of quantum memories. A new error-correction code to rectify photon loss, gain, and dephasing errors in electromagnetic cavities is presented.
      [Phys. Rev. X 6, 031006] Published Thu Jul 14, 2016
      Citation: Phys. Rev. X 6, 031006 (2016)
      PubDate: 2016-07-14T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031006
      Issue No: Vol. 6, No. 3 (2016)
       
  • Scalable Quantum Simulation of Molecular Energies

    • Authors: P. J. J. O’Malley <em>et al.</em>
      First page: 031007
      Abstract: Author(s): P. J. J. O’Malley et al.
      A quantum computer is used to efficiently model a quantum chemical system to extremely high accuracy.
      [Phys. Rev. X 6, 031007] Published Mon Jul 18, 2016
      Citation: Phys. Rev. X 6, 031007 (2016)
      PubDate: 2016-07-18T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031007
      Issue No: Vol. 6, No. 3 (2016)
       
  • Active Osmotic Exchanger for Efficient Nanofiltration Inspired by the
           Kidney

    • Authors: Sophie Marbach; Lydéric Bocquet
      First page: 031008
      Abstract: Author(s): Sophie Marbach and Lydéric Bocquet
      Obtaining large quantities of drinkable water via desalinization is often an expensive, complex process. A theoretical method for obtaining clean water from waste is presented, drawing on inspiration from the human kidney.
      [Phys. Rev. X 6, 031008] Published Mon Jul 18, 2016
      Citation: Phys. Rev. X 6, 031008 (2016)
      PubDate: 2016-07-18T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031008
      Issue No: Vol. 6, No. 3 (2016)
       
  • Extracting Hidden Hierarchies in 3D Distribution Networks

    • Authors: Carl D. Modes; Marcelo O. Magnasco, Eleni Katifori
      First page: 031009
      Abstract: Author(s): Carl D. Modes, Marcelo O. Magnasco, and Eleni Katifori
      Complex networks like neural maps and the internet are characterized by a large number of connected nodes. A new algorithm shows how three-dimensional networks can be computationally simplified by tiling an abstract surface.
      [Phys. Rev. X 6, 031009] Published Wed Jul 20, 2016
      Citation: Phys. Rev. X 6, 031009 (2016)
      PubDate: 2016-07-20T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031009
      Issue No: Vol. 6, No. 3 (2016)
       
  • Tunneling and Speedup in Quantum Optimization for Permutation-Symmetric
           Problems

    • Authors: Siddharth Muthukrishnan; Tameem Albash, Daniel A. Lidar
      First page: 031010
      Abstract: Author(s): Siddharth Muthukrishnan, Tameem Albash, and Daniel A. Lidar
      It is commonly believed that quantum tunneling is necessary for a quantum speedup in quantum annealing, but a theoretical demonstration shows that quantum tunneling is not always the most efficient way to yield a quantum speedup.
      [Phys. Rev. X 6, 031010] Published Thu Jul 21, 2016
      Citation: Phys. Rev. X 6, 031010 (2016)
      PubDate: 2016-07-21T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031010
      Issue No: Vol. 6, No. 3 (2016)
       
  • Cluster Mean-Field Approach to the Steady-State Phase Diagram of
           Dissipative Spin Systems

    • Authors: Jiasen Jin; Alberto Biella, Oscar Viyuela, Leonardo Mazza, Jonathan Keeling, Rosario Fazio, Davide Rossini
      First page: 031011
      Abstract: Author(s): Jiasen Jin, Alberto Biella, Oscar Viyuela, Leonardo Mazza, Jonathan Keeling, Rosario Fazio, and Davide Rossini
      Phase transitions are ubiquitous in nature and can occur in out-of-equilibrium situations. The key role of short-range fluctuations in dissipative phase transitions is theoretically demonstrated and can be experimentally reproduced in the future using trapped ions, Rydberg states of atoms, or microwave circuits.
      [Phys. Rev. X 6, 031011] Published Wed Jul 27, 2016
      Citation: Phys. Rev. X 6, 031011 (2016)
      PubDate: 2016-07-27T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031011
      Issue No: Vol. 6, No. 3 (2016)
       
  • Influence of Thickness and Interface on the Low-Temperature Enhancement of
           the Spin Seebeck Effect in YIG Films

    • Authors: Er-Jia Guo; Joel Cramer, Andreas Kehlberger, Ciaran A. Ferguson, Donald A. MacLaren, Gerhard Jakob, Mathias Kläui
      First page: 031012
      Abstract: Author(s): Er-Jia Guo, Joel Cramer, Andreas Kehlberger, Ciaran A. Ferguson, Donald A. MacLaren, Gerhard Jakob, and Mathias Kläui
      Metals, semiconductors, and insulators all exhibit the spin Seebeck effect, in which a temperature gradient results in current flow. Now, researchers advance our understanding of how the spin Seebeck effect depends on temperature and material properties.
      [Phys. Rev. X 6, 031012] Published Wed Jul 27, 2016
      Citation: Phys. Rev. X 6, 031012 (2016)
      PubDate: 2016-07-27T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031012
      Issue No: Vol. 6, No. 3 (2016)
       
  • Objects of Maximum Electromagnetic Chirality

    • Authors: Ivan Fernandez-Corbaton; Martin Fruhnert, Carsten Rockstuhl
      First page: 031013
      Abstract: Author(s): Ivan Fernandez-Corbaton, Martin Fruhnert, and Carsten Rockstuhl
      A chiral object cannot be superimposed onto its mirror image—a geometric definition of chirality. A new theoretical study introduces a definition of electromagnetic chirality.
      [Phys. Rev. X 6, 031013] Published Thu Jul 28, 2016
      Citation: Phys. Rev. X 6, 031013 (2016)
      PubDate: 2016-07-28T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031013
      Issue No: Vol. 6, No. 3 (2016)
       
  • All-Optical dc Nanotesla Magnetometry Using Silicon Vacancy Fine Structure
           in Isotopically Purified Silicon Carbide

    • Authors: D. Simin; V. A. Soltamov, A. V. Poshakinskiy, A. N. Anisimov, R. A. Babunts, D. O. Tolmachev, E. N. Mokhov, M. Trupke, S. A. Tarasenko, A. Sperlich, P. G. Baranov, V. Dyakonov, G. V. Astakhov
      First page: 031014
      Abstract: Author(s): D. Simin, V. A. Soltamov, A. V. Poshakinskiy, A. N. Anisimov, R. A. Babunts, D. O. Tolmachev, E. N. Mokhov, M. Trupke, S. A. Tarasenko, A. Sperlich, P. G. Baranov, V. Dyakonov, and G. V. Astakhov
      Sensing magnetic fields is a key aspect in many areas of study such as biomedical imaging and geophysics. Researchers demonstrate all-optical solid-state magnetometry that is sensitive to magnetic fields weaker than 100 nT.
      [Phys. Rev. X 6, 031014] Published Thu Jul 28, 2016
      Citation: Phys. Rev. X 6, 031014 (2016)
      PubDate: 2016-07-28T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031014
      Issue No: Vol. 6, No. 3 (2016)
       
  • What is the Computational Value of Finite-Range Tunneling?

    • Authors: Vasil S. Denchev; Sergio Boixo, Sergei V. Isakov, Nan Ding, Ryan Babbush, Vadim Smelyanskiy, John Martinis, Hartmut Neven
      First page: 031015
      Abstract: Author(s): Vasil S. Denchev, Sergio Boixo, Sergei V. Isakov, Nan Ding, Ryan Babbush, Vadim Smelyanskiy, John Martinis, and Hartmut Neven
      Quantum annealing is a quantum enhanced heuristic optimization algorithm that exploits quantum tunneling. New work shows that it can significantly outperform its classical analog (simulated annealing) as well as the most popular classical algorithm for simulating quantum annealing (quantum Monte Carlo).
      [Phys. Rev. X 6, 031015] Published Mon Aug 01, 2016
      Citation: Phys. Rev. X 6, 031015 (2016)
      PubDate: 2016-08-01T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031015
      Issue No: Vol. 6, No. 3 (2016)
       
  • Milestones Toward Majorana-Based Quantum Computing

    • Authors: David Aasen; Michael Hell, Ryan V. Mishmash, Andrew Higginbotham, Jeroen Danon, Martin Leijnse, Thomas S. Jespersen, Joshua A. Folk, Charles M. Marcus, Karsten Flensberg, Jason Alicea
      First page: 031016
      Abstract: Author(s): David Aasen, Michael Hell, Ryan V. Mishmash, Andrew Higginbotham, Jeroen Danon, Martin Leijnse, Thomas S. Jespersen, Joshua A. Folk, Charles M. Marcus, Karsten Flensberg, and Jason Alicea
      Preparing, manipulating, and reading out Majorana zero modes is important for quantum computing. A theoretically developed a set of milestone experiments, if conducted successfully, may pave the way for fault-tolerant “topological” quantum information processing.
      [Phys. Rev. X 6, 031016] Published Wed Aug 03, 2016
      Citation: Phys. Rev. X 6, 031016 (2016)
      PubDate: 2016-08-03T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031016
      Issue No: Vol. 6, No. 3 (2016)
       
  • Photon Molecules in Atomic Gases Trapped Near Photonic Crystal Waveguides

    • Authors: James S. Douglas; Tommaso Caneva, Darrick E. Chang
      First page: 031017
      Abstract: Author(s): James S. Douglas, Tommaso Caneva, and Darrick E. Chang
      Pulses of light are made up of quantum particles called photons. A novel way of making individual photons interact could pave the way toward generating photonic “molecules” and even more complex states of light.
      [Phys. Rev. X 6, 031017] Published Thu Aug 04, 2016
      Citation: Phys. Rev. X 6, 031017 (2016)
      PubDate: 2016-08-04T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031017
      Issue No: Vol. 6, No. 3 (2016)
       
  • Limits of Astrophysics with Gravitational-Wave Backgrounds

    • Authors: Thomas Callister; Letizia Sammut, Shi Qiu, Ilya Mandel, Eric Thrane
      First page: 031018
      Abstract: Author(s): Thomas Callister, Letizia Sammut, Shi Qiu, Ilya Mandel, and Eric Thrane
      The field of gravitational-wave astronomy celebrated its first direct detection of a binary black hole merger in 2015. Researchers study what can and cannot be learned through observations of the stochastic background of distant gravitational-wave signals.
      [Phys. Rev. X 6, 031018] Published Thu Aug 04, 2016
      Citation: Phys. Rev. X 6, 031018 (2016)
      PubDate: 2016-08-04T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031018
      Issue No: Vol. 6, No. 3 (2016)
       
  • Universal Geometric Path to a Robust Majorana Magic Gate

    • Authors: Torsten Karzig; Yuval Oreg, Gil Refael, Michael H. Freedman
      First page: 031019
      Abstract: Author(s): Torsten Karzig, Yuval Oreg, Gil Refael, and Michael H. Freedman
      Majorana particles are favored in quantum computing, which promises exponential increases in processing speed compared with classical protocols. Now, researchers propose using Majoranas to perform a magic gate that is more resistant to system noise.
      [Phys. Rev. X 6, 031019] Published Mon Aug 08, 2016
      Citation: Phys. Rev. X 6, 031019 (2016)
      PubDate: 2016-08-08T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031019
      Issue No: Vol. 6, No. 3 (2016)
       
  • Ultracold Chemical Reactions of a Single Rydberg Atom in a Dense Gas

    • Authors: Michael Schlagmüller; Tara Cubel Liebisch, Felix Engel, Kathrin S. Kleinbach, Fabian Böttcher, Udo Hermann, Karl M. Westphal, Anita Gaj, Robert Löw, Sebastian Hofferberth, Tilman Pfau, Jesús Pérez-Ríos, Chris H. Greene
      First page: 031020
      Abstract: Author(s): Michael Schlagmüller, Tara Cubel Liebisch, Felix Engel, Kathrin S. Kleinbach, Fabian Böttcher, Udo Hermann, Karl M. Westphal, Anita Gaj, Robert Löw, Sebastian Hofferberth, Tilman Pfau, Jesús Pérez-Ríos, and Chris H. Greene
      A Rydberg atom immersed in a dense cloud of ultracold neutral atoms can undergo two chemical processes.
      [Phys. Rev. X 6, 031020] Published Wed Aug 10, 2016
      Citation: Phys. Rev. X 6, 031020 (2016)
      PubDate: 2016-08-10T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031020
      Issue No: Vol. 6, No. 3 (2016)
       
  • Fermi Arcs and Their Topological Character in the Candidate Type-II Weyl
           Semimetal MoTe_{2}

    • Authors: A. Tamai; Q. S. Wu, I. Cucchi, F. Y. Bruno, S. Riccò, T. K. Kim, M. Hoesch, C. Barreteau, E. Giannini, C. Besnard, A. A. Soluyanov, F. Baumberger
      First page: 031021
      Abstract: Author(s): A. Tamai, Q. S. Wu, I. Cucchi, F. Y. Bruno, S. Riccò, T. K. Kim, M. Hoesch, C. Barreteau, E. Giannini, C. Besnard, A. A. Soluyanov, and F. Baumberger
      Researchers provide new evidence for the existence of type-II Weyl semimetals, which would be both conducting and insulating in different spatial directions.
      [Phys. Rev. X 6, 031021] Published Wed Aug 17, 2016
      Citation: Phys. Rev. X 6, 031021 (2016)
      PubDate: 2016-08-17T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031021
      Issue No: Vol. 6, No. 3 (2016)
       
  • Long-Lived Spin-Orbit-Coupled Degenerate Dipolar Fermi Gas

    • Authors: Nathaniel Q. Burdick; Yijun Tang, Benjamin L. Lev
      First page: 031022
      Abstract: Author(s): Nathaniel Q. Burdick, Yijun Tang, and Benjamin L. Lev
      Observing the effects of quantum phenomena requires relatively long state lifetimes. In a new experiment, ultracold dysprosium atoms are used to demonstrate that spin-orbit coupling persists for 10 to 100 times longer than in other atoms.
      [Phys. Rev. X 6, 031022] Published Wed Aug 17, 2016
      Citation: Phys. Rev. X 6, 031022 (2016)
      PubDate: 2016-08-17T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031022
      Issue No: Vol. 6, No. 3 (2016)
       
  • Effective Dynamics of Disordered Quantum Systems

    • Authors: Chahan M. Kropf; Clemens Gneiting, Andreas Buchleitner
      First page: 031023
      Abstract: Author(s): Chahan M. Kropf, Clemens Gneiting, and Andreas Buchleitner
      A progressive loss of phase information (i.e., decoherence) is fundamental to many physical systems since they evolve over time. Researchers present a way of deriving master equations to dynamically characterize disordered quantum systems with finite dimensions.
      [Phys. Rev. X 6, 031023] Published Fri Aug 19, 2016
      Citation: Phys. Rev. X 6, 031023 (2016)
      PubDate: 2016-08-19T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031023
      Issue No: Vol. 6, No. 3 (2016)
       
  • Correlated Fluctuations in Strongly Coupled Binary Networks Beyond
           Equilibrium

    • Authors: David Dahmen; Hannah Bos, Moritz Helias
      First page: 031024
      Abstract: Author(s): David Dahmen, Hannah Bos, and Moritz Helias
      The central nervous system is a prime example of a complex network. Scientists derive the statistics associated with the interactions between pairs of binary units representing individual neurons.
      [Phys. Rev. X 6, 031024] Published Fri Aug 19, 2016
      Citation: Phys. Rev. X 6, 031024 (2016)
      PubDate: 2016-08-19T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031024
      Issue No: Vol. 6, No. 3 (2016)
       
  • Buckling Transitions and Clock Order of Two-Dimensional Coulomb Crystals

    • Authors: Daniel Podolsky; Efrat Shimshoni, Giovanna Morigi, Shmuel Fishman
      First page: 031025
      Abstract: Author(s): Daniel Podolsky, Efrat Shimshoni, Giovanna Morigi, and Shmuel Fishman
      Quantum information processing of the future may rely on controlling systems of interacting atoms or ions. A theoretical proposal shows how a lattice of ionic crystals can demonstrate critical phases that are neither fully disordered nor fully ordered.
      [Phys. Rev. X 6, 031025] Published Mon Aug 22, 2016
      Citation: Phys. Rev. X 6, 031025 (2016)
      PubDate: 2016-08-22T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031025
      Issue No: Vol. 6, No. 3 (2016)
       
  • Thermoelectric Transport Signatures of Dirac Composite Fermions in the
           Half-Filled Landau Level

    • Authors: Andrew C. Potter; Maksym Serbyn, Ashvin Vishwanath
      First page: 031026
      Abstract: Author(s): Andrew C. Potter, Maksym Serbyn, and Ashvin Vishwanath
      Differentiating between Dirac composite fermions and the Halperin-Lee-Read state has long been difficult. Now, a theoretical demonstration shows that the Nernst effect—a type of thermoelectric transport measurement—can be used to test the Dirac nature of composite fermions.
      [Phys. Rev. X 6, 031026] Published Mon Aug 22, 2016
      Citation: Phys. Rev. X 6, 031026 (2016)
      PubDate: 2016-08-22T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031026
      Issue No: Vol. 6, No. 3 (2016)
       
  • Temperature-Dependent Ellipsometry Measurements of Partial Coulomb Energy
           in Superconducting Cuprates

    • Authors: J. Levallois; M. K. Tran, D. Pouliot, C. N. Presura, L. H. Greene, J. N. Eckstein, J. Uccelli, E. Giannini, G. D. Gu, A. J. Leggett, D. van der Marel
      First page: 031027
      Abstract: Author(s): J. Levallois, M. K. Tran, D. Pouliot, C. N. Presura, L. H. Greene, J. N. Eckstein, J. Uccelli, E. Giannini, G. D. Gu, A. J. Leggett, and D. van der Marel
      Superconductivity is a fascinating property in which electrical resistance drops to zero. An investigation into the energy stored in the long-range Coulomb interaction in cuprates furthers understanding of these materials’ high-temperature superconductivity.
      [Phys. Rev. X 6, 031027] Published Wed Aug 24, 2016
      Citation: Phys. Rev. X 6, 031027 (2016)
      PubDate: 2016-08-24T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031027
      Issue No: Vol. 6, No. 3 (2016)
       
  • Ising Nematic Quantum Critical Point in a Metal: A Monte Carlo Study

    • Authors: Yoni Schattner; Samuel Lederer, Steven A. Kivelson, Erez Berg
      First page: 031028
      Abstract: Author(s): Yoni Schattner, Samuel Lederer, Steven A. Kivelson, and Erez Berg
      Some of the remarkable behaviors of strongly correlated metals may be controlled by quantum phase transitions. An exact numerical method is used to reveal the properties of a model exhibiting a quantum phase transition between an isotropic and a nematic metal.
      [Phys. Rev. X 6, 031028] Published Tue Aug 23, 2016
      Citation: Phys. Rev. X 6, 031028 (2016)
      PubDate: 2016-08-23T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031028
      Issue No: Vol. 6, No. 3 (2016)
       
  • Revealing the Microscopic Real-Space Excursion of a Laser-Driven Electron

    • Authors: Heiko G. Kurz; Martin Kretschmar, Thomas Binhammer, Tamas Nagy, Detlev Ristau, Manfred Lein, Uwe Morgner, Milutin Kovačev
      First page: 031029
      Abstract: Author(s): Heiko G. Kurz, Martin Kretschmar, Thomas Binhammer, Tamas Nagy, Detlev Ristau, Manfred Lein, Uwe Morgner, and Milutin Kovačev
      Light-matter interactions play critical roles in many areas of physics. A new study shows how the paths of electrons liberated from molecules can be effectively measured to extremely high temporal and spatial resolutions.
      [Phys. Rev. X 6, 031029] Published Wed Aug 24, 2016
      Citation: Phys. Rev. X 6, 031029 (2016)
      PubDate: 2016-08-24T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031029
      Issue No: Vol. 6, No. 3 (2016)
       
  • Iterative Phase Optimization of Elementary Quantum Error Correcting Codes

    • Authors: M. Müller; A. Rivas, E. A. Martínez, D. Nigg, P. Schindler, T. Monz, R. Blatt, M. A. Martin-Delgado
      First page: 031030
      Abstract: Author(s): M. Müller, A. Rivas, E. A. Martínez, D. Nigg, P. Schindler, T. Monz, R. Blatt, and M. A. Martin-Delgado
      Noise is a fundamental aspect of experimental procedures, and achieving reliable quantum computing requires compensating for errors. Scientists show that certain types of errors can be calibrated out in a 7-qubit quantum error-correcting code in a system of trapped ions.
      [Phys. Rev. X 6, 031030] Published Wed Aug 24, 2016
      Citation: Phys. Rev. X 6, 031030 (2016)
      PubDate: 2016-08-24T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031030
      Issue No: Vol. 6, No. 3 (2016)
       
  • Observation of the Superconducting Proximity Effect in the Surface State
           of SmB_{6} Thin Films

    • Authors: Seunghun Lee; Xiaohang Zhang, Yangang Liang, Sean W. Fackler, Jie Yong, Xiangfeng Wang, Johnpierre Paglione, Richard L. Greene, Ichiro Takeuchi
      First page: 031031
      Abstract: Author(s): Seunghun Lee, Xiaohang Zhang, Yangang Liang, Sean W. Fackler, Jie Yong, Xiangfeng Wang, Johnpierre Paglione, Richard L. Greene, and Ichiro Takeuchi
      Inducing superconductivity in the surface of a three-dimensional topological insulator has long been a goal of condensed-matter physics. A new experiment realizes this process in a thin film of samarium hexaboride.
      [Phys. Rev. X 6, 031031] Published Thu Aug 25, 2016
      Citation: Phys. Rev. X 6, 031031 (2016)
      PubDate: 2016-08-25T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031031
      Issue No: Vol. 6, No. 3 (2016)
       
  • Nontrivial Phase Coupling in Polariton Multiplets

    • Authors: H. Ohadi; R. L. Gregory, T. Freegarde, Y. G. Rubo, A. V. Kavokin, N. G. Berloff, P. G. Lagoudakis
      First page: 031032
      Abstract: Author(s): H. Ohadi, R. L. Gregory, T. Freegarde, Y. G. Rubo, A. V. Kavokin, N. G. Berloff, and P. G. Lagoudakis
      Bosonic optoelectronic excitations known as polaritons may play crucial roles in futuristic quantum technologies. Researchers investigate the phase coupling between coherent quantum states of polaritons held at roughly 10 degrees above absolute zero.
      [Phys. Rev. X 6, 031032] Published Fri Aug 26, 2016
      Citation: Phys. Rev. X 6, 031032 (2016)
      PubDate: 2016-08-26T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031032
      Issue No: Vol. 6, No. 3 (2016)
       
  • Quantum Theory of Superresolution for Two Incoherent Optical Point Sources

    • Authors: Mankei Tsang; Ranjith Nair, Xiao-Ming Lu
      First page: 031033
      Abstract: Author(s): Mankei Tsang, Ranjith Nair, and Xiao-Ming Lu
      Quantum metrology shows that it is always possible to estimate the separation of two stars, no matter how close together they are.
      [Phys. Rev. X 6, 031033] Published Mon Aug 29, 2016
      Citation: Phys. Rev. X 6, 031033 (2016)
      PubDate: 2016-08-29T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031033
      Issue No: Vol. 6, No. 3 (2016)
       
  • Statistical Mechanics of Optimal Convex Inference in High Dimensions

    • Authors: Madhu Advani; Surya Ganguli
      First page: 031034
      Abstract: Author(s): Madhu Advani and Surya Ganguli
      In high-dimensional data, where the number of measurements can be far smaller than the number of unknown variables, extracting statistical information can be challenging. Scientists theoretically show how classical statistics can be generalized for such “big data.”
      [Phys. Rev. X 6, 031034] Published Mon Aug 29, 2016
      Citation: Phys. Rev. X 6, 031034 (2016)
      PubDate: 2016-08-29T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031034
      Issue No: Vol. 6, No. 3 (2016)
       
  • Defect Control of Conventional and Anomalous Electron Transport at Complex
           Oxide Interfaces

    • Authors: F. Gunkel; Chris Bell, Hisashi Inoue, Bongju Kim, Adrian G. Swartz, Tyler A. Merz, Yasuyuki Hikita, Satoshi Harashima, Hiroki K. Sato, Makoto Minohara, Susanne Hoffmann-Eifert, Regina Dittmann, Harold Y. Hwang
      First page: 031035
      Abstract: Author(s): F. Gunkel, Chris Bell, Hisashi Inoue, Bongju Kim, Adrian G. Swartz, Tyler A. Merz, Yasuyuki Hikita, Satoshi Harashima, Hiroki K. Sato, Makoto Minohara, Susanne Hoffmann-Eifert, Regina Dittmann, and Harold Y. Hwang
      The interfaces between materials are often rich in physical phenomena such as emergent magnetic properties. A new study analyzes the low-temperature properties of the interface between two oxides controlled by cationic defect formation.
      [Phys. Rev. X 6, 031035] Published Tue Aug 30, 2016
      Citation: Phys. Rev. X 6, 031035 (2016)
      PubDate: 2016-08-30T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031035
      Issue No: Vol. 6, No. 3 (2016)
       
  • Robust Concurrent Remote Entanglement Between Two Superconducting Qubits

    • Authors: A. Narla; S. Shankar, M. Hatridge, Z. Leghtas, K. M. Sliwa, E. Zalys-Geller, S. O. Mundhada, W. Pfaff, L. Frunzio, R. J. Schoelkopf, M. H. Devoret
      First page: 031036
      Abstract: Author(s): A. Narla, S. Shankar, M. Hatridge, Z. Leghtas, K. M. Sliwa, E. Zalys-Geller, S. O. Mundhada, W. Pfaff, L. Frunzio, R. J. Schoelkopf, and M. H. Devoret
      Communication that relies on quantum carriers, like single photons, can achieve a level of privacy unattainable by classical communication methods. In a new experiment, single microwave photons are used as carriers of quantum information in a manner robust to loss.
      [Phys. Rev. X 6, 031036] Published Tue Sep 06, 2016
      Citation: Phys. Rev. X 6, 031036 (2016)
      PubDate: 2016-09-06T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031036
      Issue No: Vol. 6, No. 3 (2016)
       
  • Spatiotemporal Optical Vortices

    • Authors: N. Jhajj; I. Larkin, E. W. Rosenthal, S. Zahedpour, J. K. Wahlstrand, H. M. Milchberg
      First page: 031037
      Abstract: Author(s): N. Jhajj, I. Larkin, E. W. Rosenthal, S. Zahedpour, J. K. Wahlstrand, and H. M. Milchberg
      A newly discovered optical vortex forms a ring around many intense laser pulses but was never noticed before.
      [Phys. Rev. X 6, 031037] Published Fri Sep 09, 2016
      Citation: Phys. Rev. X 6, 031037 (2016)
      PubDate: 2016-09-09T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031037
      Issue No: Vol. 6, No. 3 (2016)
       
  • Network Structure, Metadata, and the Prediction of Missing Nodes and
           Annotations

    • Authors: Darko Hric; Tiago P. Peixoto, Santo Fortunato
      First page: 031038
      Abstract: Author(s): Darko Hric, Tiago P. Peixoto, and Santo Fortunato
      Networks are everywhere: social networks, linked neurons in the brain, and maps of traffic patterns. A long-standing goal has been to divide networks into relevant “communities,” and now researchers demonstrate a better method for doing so.
      [Phys. Rev. X 6, 031038] Published Mon Sep 12, 2016
      Citation: Phys. Rev. X 6, 031038 (2016)
      PubDate: 2016-09-12T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031038
      Issue No: Vol. 6, No. 3 (2016)
       
  • Universal Fault-Tolerant Gates on Concatenated Stabilizer Codes

    • Authors: Theodore J. Yoder; Ryuji Takagi, Isaac L. Chuang
      First page: 031039
      Abstract: Author(s): Theodore J. Yoder, Ryuji Takagi, and Isaac L. Chuang
      Error correction is a fundamental aspect of quantum codes. Researchers theoretically show that even 5- and 7-qubit codes can yield universal fault-tolerant computation with relatively low overhead.
      [Phys. Rev. X 6, 031039] Published Tue Sep 13, 2016
      Citation: Phys. Rev. X 6, 031039 (2016)
      PubDate: 2016-09-13T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031039
      Issue No: Vol. 6, No. 3 (2016)
       
  • Destroying Coherence in High-Temperature Superconductors with Current Flow

    • Authors: A. Kaminski; S. Rosenkranz, M. R. Norman, M. Randeria, Z. Z. Li, H. Raffy, J. C. Campuzano
      First page: 031040
      Abstract: Author(s): A. Kaminski, S. Rosenkranz, M. R. Norman, M. Randeria, Z. Z. Li, H. Raffy, and J. C. Campuzano
      Superconductors carry current without resistance, but excessive current destroys superconductivity. An investigation of this natural “speed limit” gives a better understanding of the properties of copper-oxide-based, high-temperature superconductors.
      [Phys. Rev. X 6, 031040] Published Tue Sep 13, 2016
      Citation: Phys. Rev. X 6, 031040 (2016)
      PubDate: 2016-09-13T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031040
      Issue No: Vol. 6, No. 3 (2016)
       
  • Implementing and Characterizing Precise Multiqubit Measurements

    • Authors: J. Z. Blumoff; K. Chou, C. Shen, M. Reagor, C. Axline, R. T. Brierley, M. P. Silveri, C. Wang, B. Vlastakis, S. E. Nigg, L. Frunzio, M. H. Devoret, L. Jiang, S. M. Girvin, R. J. Schoelkopf
      First page: 031041
      Abstract: Author(s): J. Z. Blumoff, K. Chou, C. Shen, M. Reagor, C. Axline, R. T. Brierley, M. P. Silveri, C. Wang, B. Vlastakis, S. E. Nigg, L. Frunzio, M. H. Devoret, L. Jiang, S. M. Girvin, and R. J. Schoelkopf
      Multiqubit measurements will play a vital role in quantum information processing. A new experiment constructs complex measurements on three superconducting qubits and develops important tools toward characterizing them.
      [Phys. Rev. X 6, 031041] Published Wed Sep 14, 2016
      Citation: Phys. Rev. X 6, 031041 (2016)
      PubDate: 2016-09-14T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031041
      Issue No: Vol. 6, No. 3 (2016)
       
  • Multiple-Stage Structure Transformation of Organic-Inorganic Hybrid
           Perovskite CH_{3} NH_{3} PbI_{3}

    • 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: 031042
      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
      The structural stability of solar-cell absorbing materials is critical to ensure efficient solar cells. Experiments show how a hybrid perovskite material can be degraded by visible light much more easily than conventional semiconductors such as silicon.
      [Phys. Rev. X 6, 031042] Published Thu Sep 15, 2016
      Citation: Phys. Rev. X 6, 031042 (2016)
      PubDate: 2016-09-15T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031042
      Issue No: Vol. 6, No. 3 (2016)
       
  • Particle-Vortex Duality from 3D Bosonization

    • Authors: Andreas Karch; David Tong
      First page: 031043
      Abstract: Author(s): Andreas Karch and David Tong
      Bosons and fermions, once thought to be distinct entities, can actually be exchanged via the attachment of flux. This observation is used to relate different theories that have applications in fields as diverse as condensed matter physics and string theory.
      [Phys. Rev. X 6, 031043] Published Mon Sep 19, 2016
      Citation: Phys. Rev. X 6, 031043 (2016)
      PubDate: 2016-09-19T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031043
      Issue No: Vol. 6, No. 3 (2016)
       
  • Directly Phase-Modulated Light Source

    • Authors: Z. L. Yuan; B. Fröhlich, M. Lucamarini, G. L. Roberts, J. F. Dynes, A. J. Shields
      First page: 031044
      Abstract: Author(s): Z. L. Yuan, B. Fröhlich, M. Lucamarini, G. L. Roberts, J. F. Dynes, and A. J. Shields
      A compact scheme can directly modulate the phase of a laser without a bulky external modulator.
      [Phys. Rev. X 6, 031044] Published Tue Sep 20, 2016
      Citation: Phys. Rev. X 6, 031044 (2016)
      PubDate: 2016-09-20T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031044
      Issue No: Vol. 6, No. 3 (2016)
       
  • Hybrid Quantum-Classical Approach to Correlated Materials

    • Authors: Bela Bauer; Dave Wecker, Andrew J. Millis, Matthew B. Hastings, Matthias Troyer
      First page: 031045
      Abstract: Author(s): Bela Bauer, Dave Wecker, Andrew J. Millis, Matthew B. Hastings, and Matthias Troyer
      Quantum computers promise to shed light on many areas of research that have proven too computationally expensive even for current supercomputers. Researchers show how a hybrid quantum-classical approach can be used to simulate strongly correlated materials, such as high-temperature superconductors and transition-metal oxides.
      [Phys. Rev. X 6, 031045] Published Wed Sep 21, 2016
      Citation: Phys. Rev. X 6, 031045 (2016)
      PubDate: 2016-09-21T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031045
      Issue No: Vol. 6, No. 3 (2016)
       
  • Inverse Funnel Effect of Excitons in Strained Black Phosphorus

    • Authors: Pablo San-Jose; Vincenzo Parente, Francisco Guinea, Rafael Roldán, Elsa Prada
      First page: 031046
      Abstract: Author(s): Pablo San-Jose, Vincenzo Parente, Francisco Guinea, Rafael Roldán, and Elsa Prada
      Developing more efficient solar cells has long been a goal of scientists, given the current energy crisis. A theoretical study of black phosphorous, a material useful as an infrared photodetector, shows that it can make a more efficient solar cell in the presence of strain.
      [Phys. Rev. X 6, 031046] Published Tue Sep 27, 2016
      Citation: Phys. Rev. X 6, 031046 (2016)
      PubDate: 2016-09-27T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031046
      Issue No: Vol. 6, No. 3 (2016)
       
  • Ultrafast Time-Resolved Hard X-Ray Emission Spectroscopy on a Tabletop

    • Authors: Luis Miaja-Avila; Galen C. O’Neil, Young I. Joe, Bradley K. Alpert, Niels H. Damrauer, William B. Doriese, Steven M. Fatur, Joseph W. Fowler, Gene C. Hilton, Ralph Jimenez, Carl D. Reintsema, Daniel R. Schmidt, Kevin L. Silverman, Daniel S. Swetz, Hideyuki Tatsuno, Joel N. Ullom
      First page: 031047
      Abstract: Author(s): Luis Miaja-Avila, Galen C. O’Neil, Young I. Joe, Bradley K. Alpert, Niels H. Damrauer, William B. Doriese, Steven M. Fatur, Joseph W. Fowler, Gene C. Hilton, Ralph Jimenez, Carl D. Reintsema, Daniel R. Schmidt, Kevin L. Silverman, Daniel S. Swetz, Hideyuki Tatsuno, and Joel N. Ullom
      Probing electronic states on ultrafast timescales is critical for studies of chemical reactions. A tabletop method for performing time-resolved x-ray emission spectroscopy is presented and tested using a polypyridyl iron complex.
      [Phys. Rev. X 6, 031047] Published Tue Sep 27, 2016
      Citation: Phys. Rev. X 6, 031047 (2016)
      PubDate: 2016-09-27T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.031047
      Issue No: Vol. 6, No. 3 (2016)
       
  • Publisher’s Note: Rare-Region-Induced Avoided Quantum Criticality in
           Disordered Three-Dimensional Dirac and Weyl Semimetals [Phys. Rev. X 6,
           021042 (2016)]

    • Authors: J. H. Pixley; David A. Huse, S. Das Sarma
      First page: 039901
      Abstract: Author(s): J. H. Pixley, David A. Huse, and S. Das Sarma
      [Phys. Rev. X 6, 039901] Published Tue Jul 19, 2016
      Citation: Phys. Rev. X 6, 039901 (2016)
      PubDate: 2016-07-19T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.039901
      Issue No: Vol. 6, No. 3 (2016)
       
  • Ultrafast Dynamics of a Nucleobase Analogue Illuminated by a Short Intense
           X-ray Free Electron Laser Pulse

    • Authors: K. Nagaya <em>et al.</em>
      First page: 021035
      Abstract: Author(s): K. Nagaya et al.
      Intense X-ray free electron laser pulses can completely obliterate molecules, but the process also sheds light on the energetic ions that are created. Researchers experimentally and theoretically investigate how 5-iodouacil responds to x-ray free electron laser radiation.
      [Phys. Rev. X 6, 021035] Published Thu Jun 16, 2016
      Citation: Phys. Rev. X 6, 021035 (2016)
      PubDate: 2016-06-16T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.021035
      Issue No: Vol. 6, No. 2 (2016)
       
  • Statistical Physics of Adaptation

    • Authors: Nikolay Perunov; Robert A. Marsland, Jeremy L. England
      First page: 021036
      Abstract: Author(s): Nikolay Perunov, Robert A. Marsland, and Jeremy L. England
      Evolutionary adaptation is commonly thought of as arising from reproduction. A new thermodynamic perspective on self-organization far from thermal equilibrium links the biological world and other systems governed by the same general physical principles.
      [Phys. Rev. X 6, 021036] Published Thu Jun 16, 2016
      Citation: Phys. Rev. X 6, 021036 (2016)
      PubDate: 2016-06-16T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.021036
      Issue No: Vol. 6, No. 2 (2016)
       
  • Correct Implementation of Polarization Constants in Wurtzite Materials and
           Impact on III-Nitrides

    • Authors: Cyrus E. Dreyer; Anderson Janotti, Chris G. Van de Walle, David Vanderbilt
      First page: 021038
      Abstract: Author(s): Cyrus E. Dreyer, Anderson Janotti, Chris G. Van de Walle, and David Vanderbilt
      The intrinsic electric field that exists in certain classes of materials plays a key role in many fields of electronics. Researchers reveal and correct a shortcoming in the way that the electric polarization has been modeled in a technologically important class of these materials.
      [Phys. Rev. X 6, 021038] Published Mon Jun 20, 2016
      Citation: Phys. Rev. X 6, 021038 (2016)
      PubDate: 2016-06-20T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.021038
      Issue No: Vol. 6, No. 2 (2016)
       
  • Sufficient Conditions for Efficient Classical Simulation of Quantum Optics

    • Authors: Saleh Rahimi-Keshari; Timothy C. Ralph, Carlton M. Caves
      First page: 021039
      Abstract: Author(s): Saleh Rahimi-Keshari, Timothy C. Ralph, and Carlton M. Caves
      Richard Feynman suggested that it takes a quantum computer to simulate large quantum systems, but a new study shows that a classical computer can work when the system has loss and noise.
      [Phys. Rev. X 6, 021039] Published Mon Jun 20, 2016
      Citation: Phys. Rev. X 6, 021039 (2016)
      PubDate: 2016-06-20T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.021039
      Issue No: Vol. 6, No. 2 (2016)
       
  • Robust Quantum-Network Memory Using Decoherence-Protected Subspaces of
           Nuclear Spins

    • Authors: Andreas Reiserer; Norbert Kalb, Machiel S. Blok, Koen J. M. van Bemmelen, Tim H. Taminiau, Ronald Hanson, Daniel J. Twitchen, Matthew Markham
      First page: 021040
      Abstract: Author(s): Andreas Reiserer, Norbert Kalb, Machiel S. Blok, Koen J. M. van Bemmelen, Tim H. Taminiau, Ronald Hanson, Daniel J. Twitchen, and Matthew Markham
      Entanglement purification, a vital enabler for practical quantum networks, has been shown to be feasible with secluded nuclear memories in diamond.
      [Phys. Rev. X 6, 021040] Published Wed Jun 22, 2016
      Citation: Phys. Rev. X 6, 021040 (2016)
      PubDate: 2016-06-22T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.021040
      Issue No: Vol. 6, No. 2 (2016)
       
  • Fluctuation Modes of a Twist-Bend Nematic Liquid Crystal

    • Authors: Z. Parsouzi; S. M. Shamid, V. Borshch, P. K. Challa, A. R. Baldwin, M. G. Tamba, C. Welch, G. H. Mehl, J. T. Gleeson, A. Jakli, O. D. Lavrentovich, D. W. Allender, J. V. Selinger, S. Sprunt
      First page: 021041
      Abstract: Author(s): Z. Parsouzi, S. M. Shamid, V. Borshch, P. K. Challa, A. R. Baldwin, M. G. Tamba, C. Welch, G. H. Mehl, J. T. Gleeson, A. Jakli, O. D. Lavrentovich, D. W. Allender, J. V. Selinger, and S. Sprunt
      Current liquid-crystal research will pave the way for next-generation electro-optical displays. Researchers experimentally and theoretically characterize the fluctuation modes of a new phase of liquid crystals.
      [Phys. Rev. X 6, 021041] Published Wed Jun 22, 2016
      Citation: Phys. Rev. X 6, 021041 (2016)
      PubDate: 2016-06-22T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.021041
      Issue No: Vol. 6, No. 2 (2016)
       
  • Rare-Region-Induced Avoided Quantum Criticality in Disordered
           Three-Dimensional Dirac and Weyl Semimetals

    • Authors: J. H. Pixley; David A. Huse, S. Das Sarma
      First page: 021042
      Abstract: Author(s): J. H. Pixley, David A. Huse, and S. Das Sarma
      Solid-state materials are invariably plagued by disorder in real-world experiments. In a numerical study, researchers investigate the semimetal phases of Dirac and Weyl semimetals characterized by disorder.
      [Phys. Rev. X 6, 021042] Published Wed Jun 29, 2016
      Citation: Phys. Rev. X 6, 021042 (2016)
      PubDate: 2016-06-29T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.021042
      Issue No: Vol. 6, No. 2 (2016)
       
  • Trading Classical and Quantum Computational Resources

    • Authors: Sergey Bravyi; Graeme Smith, John A. Smolin
      First page: 021043
      Abstract: Author(s): Sergey Bravyi, Graeme Smith, and John A. Smolin
      Hybrid quantum-classical computation may be a hallmark of future technologies. Researchers investigate the tradeoff between employing quantum and classical resources for computational tasks.
      [Phys. Rev. X 6, 021043] Published Wed Jun 29, 2016
      Citation: Phys. Rev. X 6, 021043 (2016)
      PubDate: 2016-06-29T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.021043
      Issue No: Vol. 6, No. 2 (2016)
       
  • Imaging Photon Lattice States by Scanning Defect Microscopy

    • Authors: D. L. Underwood; W. E. Shanks, Andy C. Y. Li, Lamia Ateshian, Jens Koch, A. A. Houck
      First page: 021044
      Abstract: Author(s): D. L. Underwood, W. E. Shanks, Andy C. Y. Li, Lamia Ateshian, Jens Koch, and A. A. Houck
      A scanning probe detects the quantum states of photons in a microwave circuit, providing the information needed for quantum simulations.
      [Phys. Rev. X 6, 021044] Published Thu Jun 30, 2016
      Citation: Phys. Rev. X 6, 021044 (2016)
      PubDate: 2016-06-30T10:00:00-04:00
      DOI: 10.1103/PhysRevX.6.021044
      Issue No: Vol. 6, No. 2 (2016)
       
 
 
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