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We consider the motion of a nonrelativistic electron in the field of two strong monochromatic light waves propagating counter to each other. The matrix elements of emission and absorption are found. An expression is obtained for the gain of…

Accelerator Physics · Physics 2017-09-06 K. V. Ivanyan

We present a combined treatment of the non-equilibrium dynamics and transport of electrons and phonons by carrying out \textit{ab initio} calculations of the fully coupled electron and phonon Boltzmann transport equations. We find that the…

Materials Science · Physics 2020-12-30 Nakib H. Protik , Boris Kozinsky

The paper deals with kinematic conditions for the inverse Compton scattering of photons by relativistic electrons and the polarizations of the colliding particles, which affect the value of the differential cross section of the process. A…

High Energy Physics - Phenomenology · Physics 2023-06-06 Kirill Bornikov , Igor Volobuev , Yuri Popov

We show that for a detector rotating in a random classical zero-point electromagnetic or massless scalar field at T=0 thermal effects exist. The rotating reference system is constructed as an infinite set of Frenet-Seret tetrads defined so…

Mathematical Physics · Physics 2010-03-31 Yefim Semenovitch Levin

Collisionless shocks generated by two colliding relativistic electron-positron plasma shells are studied using particle-in-cell (PIC) simulations. Shocks are mediated by the Weibel instability (WI), and the kinetic energy of the fastest…

Plasma Physics · Physics 2024-06-19 Roopendra Singh Rajawat , Vladimir Khudik , Gennady Shvets

We present a relativistic-MHD numerical study of axisymmetric, magnetically driven jets with parameters applicable to gamma-ray burst (GRB) flows. We also present analytic expressions for the asymptotic jet shape and other flow parameters…

Astrophysics · Physics 2009-11-13 Serguei Komissarov , Nektarios Vlahakis , Arieh Konigl , Maxim Barkov

We investigate the influence of relativistic nondipole effects on the photoelectron spectra of argon, particularly in the low kinetic energy region (0 eV - 5 eV). In our experiment, we use intense linearly polarised 800 nm laser pulse to…

Atomic Physics · Physics 2022-03-14 Nida Haram , Han Xu , Igor Ivanov , Dashavir Chetty , Igor Litvinyuk , R. T. Sang

Knowing the magnitude of the energy flow inherent to zero-point radiation allows us to approach the question of its possible interaction with particles of matter. Its photons are not different from the rest, and must in principle be subject…

General Physics · Physics 2007-07-04 R. Alvargonzalez

We examine hybrid thermal-nonthermal synchrotron spectra from a spherically symmetric, optically-thin wind, taking into account the relativistic effect. In the relativistic flow from the central object, due to the relativistic beaming…

High Energy Astrophysical Phenomena · Physics 2015-05-14 Naoko Sumitomo , Hideki Saito , Jun Fukue , Kenya Watarai

Gravitational spin-orbit interactions induce a relativistic capillary effect along open magnetic flux-tubes, that join the event horizon of a spinning black hole to infinity. It launches a leptonic outflow from electron-positron pairs…

Astrophysics · Physics 2010-01-06 Maurice H. P. M. van Putten

The non-equilibrium electron-positron-photon plasma thermalization process is studied using relativistic Boltzmann solver, taking into account quantum corrections both in non-relativistic and relativistic cases. Collision integrals are…

High Energy Astrophysical Phenomena · Physics 2018-12-20 M. A. Prakapenia , I. A. Siutsou , G. V. Vereshchagin

We consider the problem of propagation of photons in the quantum theory of non-relativistic matter coupled to electromagnetic radiation, which is, presently, the only consistent quantum theory of matter and radiation. Assuming that the…

Mathematical Physics · Physics 2011-10-19 Jean-Francois Bony , Jérémy Faupin , Israel Michael Sigal

Relativistic current sheets have been proposed as the sites of dissipation in pulsar winds, jets in active galaxies and other Poynting-flux dominated flows. It is shown that the steady versions of these structures differ from their…

Astrophysics · Physics 2009-11-10 J. G. Kirk

The interaction of TeV photons from blazars with the extragalactic background light produces a relativistic beam of electron-positron pairs streaming through the intergalactic medium (IGM). The fate of the beam energy is uncertain. By means…

High Energy Astrophysical Phenomena · Physics 2015-06-18 Lorenzo Sironi , Dimitrios Giannios

We investigate the evolution of a light impurity particle in a Lorentz gas where the background atoms are in thermal equilibrium. As in the standard Lorentz gas, we assume that the particle is negligibly light in comparison with the…

Statistical Mechanics · Physics 2013-05-29 L. D'Alessio , P. L. Krapivsky

Relativistic magnetically dominated turbulence is an efficient engine for particle acceleration in a collisionless plasma. Ultrarelativistic particles accelerated by interactions with turbulent fluctuations form non-thermal power-law…

Plasma Physics · Physics 2023-06-14 Cristian Vega , Stanislav Boldyrev , Vadim Roytershteyn

Photoassociation, assembling molecules from atoms using laser light, is limited by the low density of atom pairs at sufficiently short interatomic separations. Here, we show that non-resonant light with intensities of the order of 10^10…

Atomic Physics · Physics 2013-01-08 Rosario González-Férez , Christiane P. Koch

In this paper Maxwell equations are used to analyze the propagation of oscillating electric and magnetic fields from a moving electric dipole source. The results show that both the magnetic field and electric fields generated propagate…

General Physics · Physics 2007-05-23 William D. Walker

The effective interaction between two classical nonrelativistic electrons (positrons) in the presence of intense electromagnetic radiation (one and two waves) is theoretically studied. Small relativistic corrections are taking into account…

Plasma Physics · Physics 2020-01-08 S. S. Starodub , S. P. Roshchupkin , V. V. Dubov

We simulate Gamma-Ray Bursts arising from internal shocks in relativistic winds, calculate their power density spectrum (PDS), and identify the factors to which the PDS is most sensitive: the wind ejection features, which determine the wind…

Astrophysics · Physics 2009-10-31 A. Panaitescu , M. Spada , P. Meszaros