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Thermal instability in an electron-ion magnetized plasma, which is relevant in the intragalactic medium (IGM) of galaxy clusters, solar corona, and other two-component plasma objects is investigated. We apply the multicomponent plasma…

Astrophysics of Galaxies · Physics 2015-05-28 Anatoly K. Nekrasov

We discuss here constraints on the particle acceleration models from the observed gamma-ray bursts spectra. The standard synchrotron shock model assumes that some fraction of available energy is given instantaneously to the electrons which…

Astrophysics · Physics 2010-11-11 Juri Poutanen , Boris E. Stern

We show that, in the high-density limit, restricted M{\o}ller-Plesset (RMP) perturbation theory yields $E_{\text{RMP}}^{(2)} = \pi^{-2}(1-\ln 2) \ln r_s + O(r_s^0)$ for the correlation energy per electron in the uniform electron gas, where…

Strongly Correlated Electrons · Physics 2011-04-26 Pierre-François Loos , Peter M. W. Gill

We calculate the beaming of coherent emission by means of geometrical optics. When spherical elementary waves are phase-coupled in that way that constructive interference occurs along one axis, the intensity is lower for off-axis viewing…

Astrophysics · Physics 2007-05-23 Thomas Kunzl , Harald Lesch , Axel Jessner

lasma instabilities excited in collisionless shocks are responsible for particle acceleration. We have investigated the particle acceleration and shock structure associated with an unmagnetized relativistic electron-positron jet propagating…

High Energy Astrophysical Phenomena · Physics 2015-06-03 K. -I. Nishikawa , E. J. Choi , K. Min , P. Hardee , Y. Mizuno , B. Zhang , J. Niemiec , M. Medvedev , A. Nordlund , J. Fredriksen , M. Pohl , H. Sol , D. H. Hartmann , G. J. Fishman

Estimates of magnetic field strength in relativistic jets of active galactic nuclei (AGN), obtained by measuring the frequency-dependent radio core location, imply that the total magnetic fluxes in those jets are consistent with the…

High Energy Astrophysical Phenomena · Physics 2015-06-23 Krzysztof Nalewajko , Marek Sikora , Mitchell C. Begelman

We derive a modified non-perturbative Lorentz-Abraham-Dirac equation. It satisfies the proper conservation laws, particularly, it conserves the generalized momentum, the latter property eliminates the symmetry-breaking runaway solution. The…

Classical Physics · Physics 2009-11-28 Igor V. Sokolov , Natalia M. Naumova , John A. Nees , Gerard A. Mourou , Victor P. Yanovsky

Interaction with the axion dark matter (DM) field generates an oscillating nuclear electric dipole moment (EDM) with a frequency corresponding to the axion's Compton frequency. Within an atom, an oscillating EDM can drive electric dipole…

Atomic Physics · Physics 2019-09-12 Victor V. Flambaum , Dmitry Budker , Arne Wickenbrock

This paper primarily considers the potential effects of a single high-altitude nuclear burst on the U.S. power grid. A comparison is made between EMP and natural phenomena such as lightning. This paper concludes that EMP is no more harmful…

Physics and Society · Physics 2008-11-26 Mario Rabinowitz

We present results of a 3D model of optical to gamma-ray emission from the slot gap accelerator of a rotation-powered pulsar. Primary electrons accelerating to high-altitudes in the unscreened electric field of the slot gap reach…

Astrophysics · Physics 2009-11-13 Alice K. Harding , Julie V. Stern , Jaroslaw Dyks , Michal Frackowiak

The properties of radiation created by a classical ultrarelativistic scalar charged particle in a constant homogeneous crossed electromagnetic field are described both analytically and numerically with radiation reaction taken into account…

Plasma Physics · Physics 2017-05-03 O. V. Bogdanov , P. O. Kazinski , G. Yu. Lazarenko

Acceleration and transport of solar energetic particles (SEPs) causes their abundances, measured at constant velocity, to be enhanced or suppressed as a function of each ion's magnetic rigidity, and hence its atomic mass-to-charge ratio…

Solar and Stellar Astrophysics · Physics 2024-02-19 Donald V. Reames

In vacuum with an induced by strong electromagnetic wave refraction index larger than unity, an ultra-relativistic electron emits Cherenkov radiation. During the interaction with this wave the electron also radiates photons via the Compton…

Plasma Physics · Physics 2019-07-31 Sergei V. Bulanov , Pavel V. Sasorov , Stepan S. Bulanov , Georg Korn

Turbulence in highly magnetized plasma can be relativistic and induce an electric field comparable to the background magnetic field. Such a strong electric field can affect the emission process of non-thermal electrons. As the first step…

High Energy Astrophysical Phenomena · Physics 2024-03-05 Ryota Goto , Katsuaki Asano

We show that an all-optical configuration of the laser-electron collision in the $\lambda^{3}$ configuration based on 10 PW-class lasers presents a viable platform for reaching the range of parameters where a perturbative QED in strong…

High Energy Physics - Phenomenology · Physics 2022-06-22 M. Jirka , P. V. Sasorov , S. V. Bulanov

Abundance enhancements, during acceleration and transport in both gradual and impulsive solar energetic particle (SEP) events, vary approximately as power laws in the mass-to-charge ratio [A/Q] of the ions. Since the Q-values depend upon…

Solar and Stellar Astrophysics · Physics 2016-07-22 Donald V. Reames

The phenomenon of resonant energization of a relativistic quantum particle, moving in unison with an intense ElectroMagnetic Wave, is demonstrated in a semiclassical calculation. The wave nature of the quantum particle is of essence because…

High Energy Astrophysical Phenomena · Physics 2019-10-21 Swadesh M. Mahajan

Non-linear cascade scattering of intense, tightly focused laser pulses by relativistic electrons is studied numerically in the classical approximation including the radiation damping for the quantum parameter hwx-ray/E<1 and an arbitrary…

Plasma Physics · Physics 2015-06-16 A. Zhidkov , S. Masuda , S. S. Bulanov , T. Hosokai , J. Koga , R. Kodama

In strongly correlated systems such as heavy-fermion materials, the coherent superposition of localized and mobile spin states leads to the formation of Kondo resonant states, which on a dense, periodic array of Kondo ions develop lattice…

Strongly Correlated Electrons · Physics 2024-08-15 Chia-Jung Yang , Michael Woerner , Oliver Stockert , Hilbert v. Loehneysen , Johann Kroha , Manfred Fiebig , Shovon Pal
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