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The radio approach for detecting the ultra-high energy cosmic neutrinos has become a mature field. The Cherenkov signals in radio detection are originated from the charge excess of particle showers due to Askaryan effect. The conventional…

High Energy Astrophysical Phenomena · Physics 2010-02-01 Chia-Yu Hu , Chih-Ching Chen , Pisin Chen

The existence of electromagnetic radiation - radio-waves, microwaves, light, x-rays and so on - is one of the most important physical phenomena, and our ability to manipulate them is one of the most significant technological achievement of…

Quantum Physics · Physics 2026-02-16 Yakir Aharonov , Daniel Collins , Sandu Popescu

We consider the fundamental problem of charged particles moving along and around a curved magnetic field line, revising the synchro-curvature radiation formulae introduced by Cheng and Zhang (1996). We provide more compact expressions to…

High Energy Astrophysical Phenomena · Physics 2014-12-10 Daniele Viganò , Diego F. Torres , Kouichi Hirotani , Martín E. Pessah

We calculate the first order maximal acceleration corrections to the classical electrodynamics of a particle in external electromagnetic fields. These include additional dissipation terms, the presence of a critical electric field, a…

High Energy Physics - Theory · Physics 2007-05-23 A. Feoli , G. Lambiase , G. Papini , G. Scarpetta

Cherenkov radiation which generates by a charge moving in presence of a dielectric prism from the base to the top is analyzed. Unlike our previous works, here we consider the case when the charge trajectory is not parallel to the prism…

Accelerator Physics · Physics 2022-05-10 Sergey N. Galyamin , Andrey V. Tyukhtin

The emission of radiation by a uniformly accelerated charge is analyzed. According to the standard approach, a radiation is observed whenever there is a relative acceleraion between the charge and the observer. Analyzing difficulties that…

General Relativity and Quantum Cosmology · Physics 2015-06-25 Amso Harpaz , Noam Soker

Electromagnetic processes associated with a charged particle moving in a strong circular magnetic field is considered in cylindrical coordinates. We investigate the relation between the vacuum curvature emission and Cherenkov emission and…

Astrophysics · Physics 2009-10-30 Maxim Lyutikov , George Machabeli , Roger Blandford

It is shown that a newly derived "exact expression" for radiation of an accelerated charge in the recent literature is simply incorrect, having arisen because of a wrong relativistic transformation of the distance parameter. The ensuing…

Classical Physics · Physics 2013-06-11 Ashok K. Singal

Electromagnetic fields of an accelerated charge are derived from the first principles using Coulomb's law and the relativistic transformations. The electric and magnetic fields are derived first for an instantaneous rest frame of the…

Classical Physics · Physics 2013-06-11 Ashok K. Singal

Covariant form of equation of motion for arbitrarily shaped particle in the electromagnetic radiation field is presented. Equation of motion in the proper frame of the particle uses the radiation pressure cross section 3 $\times$ 3 matrix.…

Astrophysics · Physics 2007-05-23 Jozef Klacka

Plasma outflows from gamma-ray bursts (GRB), pulsar winds, relativistic jets, and ultra-intense laser targets radiate high energy photons. However, radiation damping is ignored in conventional PIC simulations. In this letter, we study the…

Astrophysics · Physics 2007-05-23 Koichi Noguchi , Edison Liang , Kazumi Nishimura

Flaws and ambiguities are pointed out upon examining the comment attempting to solve a problem as raised recently --- the currently accepted formulation of electromagnetic radiation of an accelerated charge violates the principle of…

Classical Physics · Physics 2013-07-10 Young-Sea Huang

The effect of particle creation by nonstationary external fields is considered as a radiation effect in the expectation-value spacetime. The energy of created massless particles is calculated as the vacuum contribution in the…

General Relativity and Quantum Cosmology · Physics 2008-11-26 A. G. Mirzabekian , G. A. Vilkovisky

We address some questions related to radiation and energy conservation in classical electromagnetism. We first treat the well-known problem of energy accounting during radiation from a uniformly accelerating particle. We present the problem…

Classical Physics · Physics 2018-10-08 Andrew M. Steane

We analyze the general radiation emission mechanism from a charged particle moving in a curved inhomogeneous magnetic field. The consideration of the gradient makes the curved vacuum magnetic field compatible with the Maxwell equations and…

Astrophysics · Physics 2009-11-07 T. Harko , K. S. Cheng

Some inadequacy in the traditional description of the phenomenon of electro-magnetic field radiation created by a point charge moving along a straight line with an acceleration is found and discussed in this paper in detail. The possibility…

High Energy Physics - Theory · Physics 2016-08-15 Andrew E. Chubykalo

Relativistically covariant form of equation of motion for real particle (neutral in charge) under the action of electromagnetic radiation is derived. Various formulations of the equation of motion in the proper frame of reference of the…

Astrophysics · Physics 2007-05-23 Jozef Klacka

We present a generalization of Vlasov-Maxwell kinetic theory that accounts for intense electromagnetic fields. A strongly-radiating, possibly optically-thick plasma is decomposed into fragments, each comprising a charged particle together…

Plasma Physics · Physics 2022-11-28 J. W. Burby , P. J. Morrison

The energy-impulse flow of electromagnetic field, produced by the arbitrary moving charged particle, through the sphere of large radius is calculated. The result formulae are used in problem of radiation produced by hyperbolically moving…

Optics · Physics 2013-01-21 V. V. Lidsky

The Cherenkov radiation is substantially modified in the presence of a medium with a nontrivial dispersion relation. We consider Cherenkov emission spectra of a point charge moving in general three- (3D) and two-dimensional (2D) photonic…

Optics · Physics 2009-11-13 Christian Kremers , Dmitry N. Chigrin , Johann Kroha