Subjects -> ASTRONOMY (Total: 94 journals)
Showing 1 - 46 of 46 Journals sorted alphabetically
Advances in Astronomy     Open Access   (Followers: 54)
Annual Review of Astronomy and Astrophysics     Full-text available via subscription   (Followers: 45)
Annual Review of Earth and Planetary Sciences     Full-text available via subscription   (Followers: 65)
Artificial Satellites     Open Access   (Followers: 23)
Astrobiology     Hybrid Journal   (Followers: 15)
Astronomical & Astrophysical Transactions: The Journal of the Eurasian Astronomical Society     Hybrid Journal   (Followers: 8)
Astronomical Journal     Full-text available via subscription   (Followers: 10)
Astronomical Review     Open Access   (Followers: 4)
Astronomische Nachrichten     Hybrid Journal   (Followers: 4)
Astronomy & Geophysics     Hybrid Journal   (Followers: 49)
Astronomy and Astrophysics     Full-text available via subscription   (Followers: 66)
Astronomy and Astrophysics     Open Access   (Followers: 39)
Astronomy and Computing     Hybrid Journal   (Followers: 3)
Astronomy Letters     Hybrid Journal   (Followers: 22)
Astronomy Reports     Hybrid Journal   (Followers: 16)
Astronomy Studies Development     Open Access   (Followers: 12)
Astroparticle Physics     Hybrid Journal   (Followers: 8)
Astrophysical Bulletin     Hybrid Journal   (Followers: 3)
Astrophysical Journal     Full-text available via subscription   (Followers: 19)
Astrophysical Journal Letters     Full-text available via subscription   (Followers: 14)
Astrophysical Journal Supplement Series     Full-text available via subscription   (Followers: 13)
Astrophysics     Hybrid Journal   (Followers: 32)
Astrophysics and Space Science     Hybrid Journal   (Followers: 47)
Astrophysics and Space Sciences Transactions (ASTRA)     Open Access   (Followers: 57)
Astropolitics: The International Journal of Space Politics & Policy     Hybrid Journal   (Followers: 12)
Celestial Mechanics and Dynamical Astronomy     Hybrid Journal   (Followers: 13)
Chinese Astronomy and Astrophysics     Full-text available via subscription   (Followers: 25)
Chinese Journal of Astronomy and Astrophysics     Full-text available via subscription   (Followers: 17)
Colloid Journal     Hybrid Journal   (Followers: 3)
Comptes Rendus Physique     Full-text available via subscription   (Followers: 2)
Computational Astrophysics and Cosmology     Open Access   (Followers: 6)
COSPAR Colloquia Series     Full-text available via subscription   (Followers: 11)
Earth, Moon, and Planets     Hybrid Journal   (Followers: 55)
Earth, Planets and Space     Open Access   (Followers: 75)
EAS Publications Series     Full-text available via subscription   (Followers: 8)
EPL Europhysics Letters     Partially Free   (Followers: 8)
Experimental Astronomy     Hybrid Journal   (Followers: 39)
Expert Opinion on Astronomy and Astrophysics     Open Access   (Followers: 8)
Extreme Life, Biospeology & Astrobiology - International Journal of the Bioflux Society     Full-text available via subscription   (Followers: 6)
Few-Body Systems     Hybrid Journal   (Followers: 1)
Foundations of Physics     Hybrid Journal   (Followers: 41)
Frontiers in Astronomy and Space Sciences     Open Access   (Followers: 12)
Galaxies     Open Access   (Followers: 6)
Globe, The     Full-text available via subscription   (Followers: 4)
Gravitation and Cosmology     Hybrid Journal   (Followers: 4)
Icarus     Hybrid Journal   (Followers: 75)
International Journal of Advanced Astronomy     Open Access   (Followers: 28)
International Journal of Astrobiology     Hybrid Journal   (Followers: 5)
International Journal of Astronomy     Open Access   (Followers: 19)
International Journal of Astronomy and Astrophysics     Open Access   (Followers: 30)
International Journal of Satellite Communications Policy and Management     Hybrid Journal   (Followers: 13)
International Letters of Chemistry, Physics and Astronomy     Open Access   (Followers: 12)
ISRN Astronomy and Astrophysics     Open Access   (Followers: 9)
Journal for the History of Astronomy     Full-text available via subscription   (Followers: 20)
Journal of Astrobiology & Outreach     Open Access   (Followers: 3)
Journal of Astronomical Instrumentation     Open Access   (Followers: 3)
Journal of Astronomical Telescopes, Instruments, and Systems     Hybrid Journal   (Followers: 5)
Journal of Astrophysics     Open Access   (Followers: 30)
Journal of Astrophysics and Astronomy     Open Access   (Followers: 55)
Journal of Atmospheric and Solar-Terrestrial Physics     Hybrid Journal   (Followers: 199)
Journal of Cosmology and Astroparticle Physics     Hybrid Journal   (Followers: 38)
Journal of Geophysical Research : Planets     Full-text available via subscription   (Followers: 177)
Journal of Geophysical Research : Space Physics     Full-text available via subscription   (Followers: 182)
Journal of High Energy Astrophysics     Full-text available via subscription   (Followers: 24)
Kinematics and Physics of Celestial Bodies     Hybrid Journal   (Followers: 10)
KronoScope     Hybrid Journal   (Followers: 1)
Macalester Journal of Physics and Astronomy     Open Access   (Followers: 4)
MNASSA : Monthly Notes of the Astronomical Society of South Africa     Full-text available via subscription   (Followers: 1)
Molecular Astrophysics     Full-text available via subscription   (Followers: 3)
Monthly Notices of the Royal Astronomical Society     Hybrid Journal   (Followers: 13)
Monthly Notices of the Royal Astronomical Society : Letters     Hybrid Journal  
Nature Astronomy     Hybrid Journal   (Followers: 10)
New Astronomy     Hybrid Journal   (Followers: 28)
New Astronomy Reviews     Full-text available via subscription   (Followers: 17)
Nonlinear Dynamics     Hybrid Journal   (Followers: 20)
NRIAG Journal of Astronomy and Geophysics     Open Access   (Followers: 5)
Open Astronomy     Open Access   (Followers: 3)
Physics of the Dark Universe     Open Access   (Followers: 4)
Planetary and Space Science     Hybrid Journal   (Followers: 101)
Planetary Science     Open Access   (Followers: 52)
Proceedings of the International Astronomical Union     Full-text available via subscription   (Followers: 2)
Publications of the Astronomical Society of Australia     Hybrid Journal   (Followers: 2)
Publications of the Astronomical Society of Japan     Hybrid Journal   (Followers: 3)
Publications of the Astronomical Society of the Pacific     Full-text available via subscription   (Followers: 4)
Research & Reviews : Journal of Space Science & Technology     Full-text available via subscription   (Followers: 17)
Research in Astronomy and Astrophysics     Full-text available via subscription   (Followers: 33)
Revista Mexicana de AstronomĂ­a y AstrofĂ­sica     Open Access   (Followers: 2)
Science China Physics, Mechanics & Astronomy     Hybrid Journal   (Followers: 4)
Solar Physics     Hybrid Journal   (Followers: 35)
Solar System Research     Hybrid Journal   (Followers: 15)
Space Science International     Open Access   (Followers: 199)
Space Science Reviews     Hybrid Journal   (Followers: 97)
Space Weather     Full-text available via subscription   (Followers: 25)
Transport and Aerospace Engineering     Open Access   (Followers: 13)
Universe     Open Access   (Followers: 6)
Similar Journals
Journal Cover
EPL Europhysics Letters
Journal Prestige (SJR): 0.498
Citation Impact (citeScore): 1
Number of Followers: 8  
 
  Partially Free Journal Partially Free Journal
ISSN (Print) 0295-5075 - ISSN (Online) 1286-4854
Published by IOP Homepage  [74 journals]
  • Confinement of bosonic and spinning particles in braneworlds
    • Authors: F. E. A. Souza; G. Alencar, L. F. F. Freitas R. R. Landim
      First page: 50001
      Abstract: In this paper the confinement of bosonic and spinning test particles in smooth Randall-Sundrum models is studied. For this, we show the possibility of finding an effective potential that describes the motion of the particle over the extra dimension. For the bosonic case, it is a known fact that free test particles can be located neither on thin nor on thick branes. Recently, a coupling to a scalar field has been used to localize a limited range of masses. Up to now, no trapped test particles of any mass over the brane were found. In order to solve this, it is shown that a coupling with the dilaton may trap particles of any mass. Next, the spinning particle is analyzed. The spin variables, ##IMG## [http://ej.iop.org/images/0295-5075/133/5/50001/epl20501ieqn1.gif] {$\psi^{P}$} , introduced an interaction with the Riemann curvature tensor. It introduced a correction to the effective potential. By analyzing it, it was found that the spinning particle may be loc...
      Citation: EPL (Europhysics Letters)
      PubDate: 2021-04-05T23:00:00Z
      DOI: 10.1209/0295-5075/133/50001
      Issue No: Vol. 133, No. 5 (2021)
       
  • Effects of Coulomb- and Cornell-types potential on a spin-0 scalar
           particle under a magnetic field and quantum flux in topological defects
           space-time
    • Authors: Faizuddin Ahmed
      First page: 50002
      Abstract: We investigate quantum motion of spin-0 scalar particles in the presence of a uniform magnetic field including quantum flux under the effects of Cornell- and Coulomb-type potentials in cosmic string space-time. We evaluate the energy eigenvalues and eigenfunctions and analyze a relativistic analogue of the Aharonov-Bohm effect. We show that the potentials allow the formation of bound states solution, and the dependence of the magnetic field on quantum numbers of the system gives a quantum effect.
      Citation: EPL (Europhysics Letters)
      PubDate: 2021-04-08T23:00:00Z
      DOI: 10.1209/0295-5075/133/50002
      Issue No: Vol. 133, No. 5 (2021)
       
  • Shock wave structure of multi-temperature Grad 10-moment equations for a
           binary gas mixture
    • Authors: M. Bisi; M. Groppi, A. Macaluso G. Martalò
      First page: 54001
      Abstract: A multi-temperature formal hydrodynamic limit of kinetic equations, based on Grad-type approximation of the distribution functions, is employed for the analysis of the steady shock problem in a binary mixture. The presence of a singular barrier and its effects on the occurrence of either smooth profiles or of weak solutions with a discontinuity is investigated for varying Mach number. Some numerical simulations of mixtures of two noble gases are presented and commented on, with reference also to analogous phenomena in different model descriptions.
      Citation: EPL (Europhysics Letters)
      PubDate: 2021-04-05T23:00:00Z
      DOI: 10.1209/0295-5075/133/54001
      Issue No: Vol. 133, No. 5 (2021)
       
  • Electron-ion inverse bremsstrahlung absorption in magnetized fusion plasma
    • Authors: Boultif Oussama; Ghezal Abdenasser Abdelaziz Sid
      First page: 55001
      Abstract: Magneto-inertial fusion (MIF) is an approach for thermonuclear fusion. It consists in applying a strong magnetic field to the inertial-fusion plasma, with the role of the magnetic field being to limit the diffusion of the formed plasma during the impact of an intense laser pulse with a target containing the thermonuclear fuel, as well as the confinement alpha particles produced by the fusion reaction. This allows the reduction of energy loss and improves compression conditions. In this paper we are interested in the study of the electron-ion inverse bremsstrahlung absorption (IBA) of the laser energy in magnetized plasma in the MIF frame. In addition, we apply the derived formula to calculate the absorption in magnetic fusion plasma heated by microwave. We use the Fokker-Planck-Maxwell theory to calculate the IBA explicitly in magnetized plasma. Scaling laws for IBA in MIF plasma and for magnetic confinement plasma are established. The numerical treatment of the model equations ...
      Citation: EPL (Europhysics Letters)
      PubDate: 2021-04-07T23:00:00Z
      DOI: 10.1209/0295-5075/133/55001
      Issue No: Vol. 133, No. 5 (2021)
       
  • Double band inversion in the topological phase transition of Ge 1-x Sn x
           alloys
    • Authors: Rui Tan; Qirui Yang, Ruiyuan Chen, Yu Qiao, Shouqiao Tan, Yanqiang Cao, Peng Wang, Tai-Chang Chiang Xiaoxiong Wang
      First page: 57001
      Abstract: We use first-principles simulation and alchemical mixing approximation to reveal the unique double band inversion and topological phase transition in Ge ##IMG## [http://ej.iop.org/images/0295-5075/133/5/57001/epl20483ieqn1.gif] {$_{1-\mathit{x}}$} Sn ##IMG## [http://ej.iop.org/images/0295-5075/133/5/57001/epl20483ieqn2.gif] {$_{\mathit{x}}$} alloys. Wave function parity, spatial charge distribution and surface state spectrum analyses suggest that the band inversion in Ge ##IMG## [http://ej.iop.org/images/0295-5075/133/5/57001/epl20483ieqn3.gif] {$_{1-\mathit{x}}$} Sn ##IMG## [http://ej.iop.org/images/0295-5075/133/5/57001/epl20483ieqn4.gif] {$_{\mathit{x}}$} is relayed by its first valence band. As the system evolves from Ge to ##IMG## [http://ej.iop.org/images/0295-5075/133/5/57001/epl20483ieqn5.gif] {${\alpha}$} -Sn, its conduction band moves down, and inverts with the f...
      Citation: EPL (Europhysics Letters)
      PubDate: 2021-04-05T23:00:00Z
      DOI: 10.1209/0295-5075/133/57001
      Issue No: Vol. 133, No. 5 (2021)
       
  • Nonequilibrium-DMFT based RIXS investigation of the two-orbital Hubbard
           model
    • Authors: Philipp Werner; Steven Johnston Martin Eckstein
      First page: 57005
      Abstract: Resonant inelastic X-ray scattering (RIXS) detects various types of high- and low-energy elementary excitations in correlated solids, and this tool will play an increasingly important role in investigations of time-dependent phenomena in photo-excited systems. While theoretical frameworks for the computation of equilibrium RIXS spectra are well established, the development of appropriate methods for nonequilibrium simulations is an active research field. Here, we apply a recently developed nonequilibrium dynamical mean field theory (DMFT) based approach to compute the RIXS response of photo-excited two-orbital Mott insulators. The results demonstrate the feasibility of multi-orbital nonequilibrium RIXS calculations and the sensitivity of the quasi-elastic fluorescence-like features and ##IMG## [http://ej.iop.org/images/0295-5075/133/5/57005/epl20500ieqn1.gif] {$d{\text{-}}d$} excitation peaks on the nonequilibrium population of the Hubbard bands.
      Citation: EPL (Europhysics Letters)
      PubDate: 2021-04-11T23:00:00Z
      DOI: 10.1209/0295-5075/133/57005
      Issue No: Vol. 133, No. 5 (2021)
       
  • Universal scaling law for human-to-human transmission diseases
    • Authors: Ben-Hur Francisco Cardoso; Sebastián Gonçalves
      First page: 58001
      Abstract: Due to the COVID-19 pandemic, Susceptible-Infective-Recovered (SIR) models and their variants are in high demand for predicting the number of cases in urban areas. Aiming to correctly use the experience of the epidemic evolution from one local to another, we present an analysis of the transmission rate of COVID-19 as a function of population size at the metropolitan area level for the United States. Contrary to the usual hypothesis in epidemics modeling, we observe that the disease transmissibility scales with the logarithm of the local's population size. The analysis, made possible by a large amount of data available on simultaneous epidemics of the same type, is universal for any human-to-human transmission disease. We present a contact rate scaling theory that explains the results.
      Citation: EPL (Europhysics Letters)
      PubDate: 2021-04-05T23:00:00Z
      DOI: 10.1209/0295-5075/133/58001
      Issue No: Vol. 133, No. 5 (2021)
       
  • Electronic structure, magnetic properties, and elastic properties of
           full-Heusler alloys Cr 2-x Fe x MnSi (x=0, 1, and 2)
    • Authors: Chuang Wu; Wei Zheng, Nan Si, Chunmei Li, Yanli Zhang Wei Jiang
      First page: 58002
      Abstract: In this study, we have systematically investigated the electronic structures, magnetic and elastic properties of the full-Heusler compounds Cr 2- x Fe x MnSi ( ##IMG## [http://ej.iop.org/images/0295-5075/133/5/58002/epl20506ieqn1.gif] {$x = 0$} , 1, and 2) by density functional theory calculations using the CASTEP with the generalized gradient approximation for the exchange-correlation functional. Our calculation results show that the Cr 2 MnSi, CrFeMnSi and Fe 2 MnSi alloys exhibit excellent half-metallic materials, and half-metallic band gap will be larger as the number of Fe atoms increases. The magnetism originates from the spin contribution of Cr-, Fe- and Mn- d orbital electrons and the strong hybridization between them. The total magnetic moment of Cr 2- x Fe x MnSi ( ##IMG## [http://ej.iop.org/images/0295-5075/133/5/58002/epl20506...] {$x = 0$}
      Citation: EPL (Europhysics Letters)
      PubDate: 2021-04-07T23:00:00Z
      DOI: 10.1209/0295-5075/133/58002
      Issue No: Vol. 133, No. 5 (2021)
       
  • Zigzag instability of biased pusher swimmers
    • Authors: Eric Lauga; Thanh Nghi Dang Takuji Ishikawa
      First page: 44002
      Abstract: Microorganisms self-propelling in a fluid create flow fields that impact the dynamics of other swimmers. Some organisms can be biased and have a preferred swimming direction, e.g. , those displaying gyrotaxis, chemotaxis or phototaxis, and as a result often focus along thin lines. Here we use numerical computations and far-field theoretical calculations to show that the position of a collection of biased swimmers moving along a line is unstable to a zigzag mode when the swimmers act on the fluid as pusher dipoles. This instability takes the form of periodic transverse oscillations in the position of the swimmers. We predict theoretically that the most unstable wavelength is equal to twice the inter-swimmer distance and that the growth rate of the instability increases linearly with the magnitude of the stresslet, both of which are in quantitative agreement with our numerical simulations.
      Citation: EPL (Europhysics Letters)
      PubDate: 2021-04-08T23:00:00Z
      DOI: 10.1209/0295-5075/133/44002
      Issue No: Vol. 133, No. 4 (2021)
       
  • On quarks and the origin of QCD: Partons and baryons from intrinsic states
    • Authors: Ole L. Trinhammer
      First page: 31001
      Abstract: We create quarks from baryons in stead of constituting baryons from quarks. The quantum fields of QCD are generated via the exterior derivative (momentum form) of baryon wave functions on an intrinsic configuration space, the Lie group U (3). Local gauge transformations correspond to coordinate translations in the intrinsic space. A proton spin structure function and a proton magnetic moment are derived. We show how the spectrum of unflavoured baryons, the N and Delta resonances, can be understood from a mass Hamiltonian on the intrinsic space and note how our model resolves the problem of colour confinement. We calculate an approximate value for the relative neutron-to-proton mass shift and give an exact value for the neutron mass. We predict neutral charge singlets that may be interpreted as neutral pentaquarks at LHCb.
      Citation: EPL (Europhysics Letters)
      PubDate: 2021-04-06T23:00:00Z
      DOI: 10.1209/0295-5075/133/31001
      Issue No: Vol. 133, No. 3 (2021)
       
 
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