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The details of trajectories of charged particles become increasingly important for proper understanding of processes of formation of radiation in strong and curved magnetic fields. Because of damping of the perpendicular component of…

高能天体物理现象 · 物理学 2015-01-23 A. Yu. Prosekin , S. R. Kelner , F. A. Aharonian

We consider a synchrotron radiation from a charged particle moving in a bound orbit around a weakly magnetized Schwarzschild black hole (a static black hole immersed into a constant uniform magnetic field) in its equatorial plane,…

广义相对论与量子宇宙学 · 物理学 2016-01-20 Andrey A. Shoom

I investigate the effect of non-uniform magnetic fields in the extended structures of radio galaxies on the observed synchrotron and inverse-Compton emission. On the assumption of an isotropic field, with a given power spectrum and a…

高能天体物理现象 · 物理学 2015-06-16 M. J. Hardcastle

In inhomogeneous optically thick synchrotron sources a substantial part of the electron population at low energies can be hidden by self-absorption and overpowered by high energy electrons in optically thin emission. These invisible…

天体物理学 · 物理学 2009-11-07 Thomas Beckert , Heino Falcke

It is shown that when an few-cycle, relativistically intense, p-polarized laser pulse is obliquely incident on overdense plasma, the surface electrons may form ultra-thin, highly compressed layers, with a width of a few nanometers. These…

等离子体物理 · 物理学 2011-08-10 D. an der Brügge , A. Pukhov

The classical description of synchrotron radiation fails at large Lorentz factors, $\gamma$, for relativistic electrons crossing strong transverse magnetic fields $B$. In the rest frame of the electron this field is comparable to the…

The spectrum and the circular polarization of radiation from longitudinally polarized high-energy electrons in oriented single crystal are considered using the method which permits inseparable consideration of both the coherent and the…

高能物理 - 唯象学 · 物理学 2008-11-26 V. N. Baier , V. M. Katkov

We present a theoretical study on the radiative self-polarization of a high-energy electron beam propagating perpendicular to a strong magnetic field. Recently, a similar setup has been proposed as a source of polarized electron and photon…

高能物理 - 唯象学 · 物理学 2026-04-30 O. Novak , M. Diachenko , R. Kholodov

Inhomogeneities can influence the polarisation emerging from a synchrotron source. However, it is shown that the frequency distribution of circular polarisation is only marginally affected, although its magnitude may change substantially.…

高能天体物理现象 · 物理学 2020-05-13 C. -I. Bjornsson

The synchrotron cooling of relativistic electrons is one of the most effective radiation mechanisms in astrophysics. It not only accompanies the process of particle acceleration but also has feedback on the formation of the energy…

高能天体物理现象 · 物理学 2021-06-21 Dmitry Khangulyan , Felix Aharonian , Carlo Romoli , Andrew Taylor

In gamma-ray bursts (GRBs), the electron pitch angle ($\alpha$) is usually assumed to be isotropically distributed. However, recent numerical simulations indicate that only the high-energy electrons (with Lorentz factors…

We calculate synchrotron radiation in three-dimensional pseudo-Newtonian magnetohydrodynamic simulations of radiatively inefficient accretion flows. We show that the emission is highly variable at optically thin frequencies, with order of…

天体物理学 · 物理学 2009-11-10 Joshua E. Goldston , Eliot Quataert , Igor V. Igumenshchev

A novel polarimeter based on the asymmetry in the spacial distribution of synchrotron radiation will make for a fine addition to the existing M{\o}ller and Compton polarimeters. The spin light polarimeter consists of a set of wiggler magnet…

加速器物理 · 物理学 2014-03-21 Prajwal Mohanmurthy , Dipangkar Dutta

The standard calculations of the synchrotron emission from charged particles in magnetic fields does not apply when the energy losses of the particles are so severe that their energy is appreciably degraded during one Larmor rotation. In…

天体物理学 · 物理学 2009-11-07 Roberto Aloisio , Pasquale Blasi

Maxwell's equations are valid only in Lorentz frame i.e. in inertial frame where the Einstein synchronization procedure is used to assign values of the time coordinate. Einstein time order must be applied and kept in consistent way in both…

加速器物理 · 物理学 2018-08-24 Evgeny Saldin

We propose a simple physical picture for the generation of coherent radio emission in the axisymmetric pulsar magnetosphere that is quite different from the canonical paradigm of radio emission coming from the magnetic polar caps. In this…

高能天体物理现象 · 物理学 2009-11-13 Ioannis Contopoulos

We show that reversed Vavilov-\v{C}erenkov radiation occurs simultaneously with the forward output in naturally existing materials when an electric charge moves with a constant velocity perpendicular to the planar interface between two…

高能物理 - 唯象学 · 物理学 2020-10-30 O. J. Franca , L. F. Urrutia , Omar Rodríguez-Tzompantzi

For an exact quantitative description of spectral properties in the theory of synchrotron radiation, the concept of effective spectral width is introduced. In the classical theory, numeric calculations of effective spectral width (using an…

经典物理 · 物理学 2017-06-28 V. G. Bagrov , D. M. Gitman , A. D. Levin , A. S. Loginov , A. D. Saprykin

We calculate the polarization of synchrotron radiation produced at the relativistic reconfinement shocks, taking into account globally ordered magnetic field components, in particular toroidal and helical fields. In these shocks, toroidal…

高能天体物理现象 · 物理学 2012-07-02 Krzysztof Nalewajko , Marek Sikora

Based on the motivation that some quantum gravity theories predicts the Lorentz Invariance Violation (LIV) around Planck-scale energy levels, this paper proposes a new formalism that addresses the possible effects of LIV in the…

高能物理 - 理论 · 物理学 2019-11-15 T. A. M. Sampaio , E. Passos