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Related papers: Synchrotron radiation by slowly rotating fermions

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Synchrotron radiation from cosmic rays is a key observational probe of the galactic magnetic field. Interpreting synchrotron emission data requires knowledge of the cosmic ray number density, which is often assumed to be in energy…

Astrophysics of Galaxies · Physics 2017-12-06 Amit Seta , Anvar Shukurov , Toby S. Wood , Paul J. Bushby , Andrew P. Snodin

Modification of the photon dispersion relation in chiral matter enables $1\to 2$ scattering. As a result, the single fermion and photon states are unstable to photon radiation and pair production respectively. In particular, a fast fermion…

High Energy Physics - Phenomenology · Physics 2018-11-14 Kirill Tuchin

The spin-dependent inertial force in an accelerating system under the presence of electromagnetic fields is derived from the generally covariant Dirac equation. Spin currents are evaluated by the force up to the lowest order of the…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 Mamoru Matsuo , Jun'ichi Ieda , Eiji Saitoh , Sadamichi Maekawa

A determination is made of the radiation emitted by a linearly uniformly accelerated uncharged dipole transmitter. It is found that, first of all, the radiation rate is given by the familiar Larmor formula, but it is augmented by an amount…

General Relativity and Quantum Cosmology · Physics 2009-11-07 Ulrich H. Gerlach

The spectrum and polarization produced by particles spiraling in a magnetic field undergo dramatic changes as the emitters transition from nonrelativistic to relativistic energies. However, none of the currently available methods for…

Astrophysics · Physics 2016-08-30 Brandon Wolfe , Fulvio Melia

The quantum description of an atom with a magnetic quadrupole moment in the presence of a uniform effective magnetic field is analysed. The atom is also subject to rotation and a scalar potential proportional to the inverse of the radial…

Quantum Physics · Physics 2017-05-26 I. C. Fonseca , K. Bakke

The main concepts of the recently developed approach to singular problems of quantum mechanics are extended to the Dirac particle in the Coulomb field of a point-like nucleus with its charge Z>137. The reflection and transmission…

High Energy Physics - Theory · Physics 2007-05-23 A. E. Shabad

The power spectrum formula of the synchrotron radiation generated by the electron and positron moving at the opposite angular velocities in homogenous magnetic field is derived in the Schwinger version of quantum field theory. The…

High Energy Physics - Phenomenology · Physics 2007-05-23 Miroslav Pardy

The emitted power of the radiation from a charged particle moving uniformly on a circle inside a cylindrical waveguide is considered. The expressions for the energy flux of the radiation passing through the waveguide cross-section are…

High Energy Physics - Theory · Physics 2009-11-07 Anna S. Kotanjyan , Aram A. Saharian

The phase perturbation arising from spin-rotation coupling is developed as a natural extension of the celebrated Sagnac effect. Experimental evidence in support of this phase shift, however, has yet to be realized due to the exceptional…

General Relativity and Quantum Cosmology · Physics 2009-10-31 Bahram Mashhoon , Richard Neutze , Mark Hannam , Geoffrey E. Stedman

We investigate the acceleration and simultaneous radiative losses of electrons in the vicinity of relativistic shocks. Particles undergo pitch angle diffusion, gaining energy as they cross the shock by the Fermi mechanism and also emitting…

Astrophysics · Physics 2009-06-23 Paul Dempsey , Peter Duffy

Emission of light by a single electron moving on a curved trajectory (synchrotron radiation) is one of the most well-known fundamental radiation phenomena. However experimental situations are more complex as they involve many electrons,…

We further generalize the powerful method, which we have recently developed for description of the background matter influence on neutrinos, for the case of an electron moving in matter. On the basis of the modified Dirac equation for the…

High Energy Physics - Phenomenology · Physics 2016-12-07 Alexander Grigoriev , Sergey Shinkevich , Alexander Studenikin , Alexei Ternov , Ilya Trofimov

We calculate the rate of collisional decay of the axial charge in an ultrarelativistic electron-positron plasma, also known as the chirality flipping rate. We find that contrary to the existing estimates, the chirality flipping rate appears…

High Energy Physics - Phenomenology · Physics 2021-01-20 A. Boyarsky , V. Cheianov , O. Ruchayskiy , O. Sobol

We demonstrate that full description of both electromagnetic and gravitational radiation from massless particles lies outside the scope of classical theory. Synchrotron radiation from the hypothetical massless charge in quantum…

High Energy Physics - Theory · Physics 2016-03-16 D. V. Gal'tsov

We study theoretically by means of quantum electrodynamics the vortex radiation of a relativistic electron in a uniform magnetic field. The exact expressions for the probability of emission of a photon with a certain angular momentum are…

Quantum Physics · Physics 2023-03-17 Vladimir Epp , Ulyana Guselnikova

We study the synchrotron radiation as the observed non-thermal X-ray emission from old pulsars ($\gtrsim1-10$Myr) to investigate the particle acceleration in their magnetospheres. We assume that the power-law component of the observed X-ray…

High Energy Astrophysical Phenomena · Physics 2015-06-22 Shota Kisaka , Shuta J. Tanaka

The possibility of radiative effects induced by the Lorentz and CPT non-invariant interaction term for fermions in the Standard Model Extension is investigated. In particular, electron-positron photo-production and photon emission by…

High Energy Physics - Phenomenology · Physics 2009-11-11 V. Ch. Zhukovsky , A. E. Lobanov , E. M. Murchikova

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 for the first time observe that at the initial stage of a high-current discharge, a low-divergence short (< 2 ns) electromagnetic pulse is formed over a ferrite surface. The 50% part of this pulse lies in the region of fairly hard x-ray…