English
Related papers

Related papers: Axion Electrodynamics in Strong Magnetic Backgroun…

200 papers

Up to date, quantum electrodynamics (QED) is the most precisely tested quantum field theory. Nevertheless, particularly in the high-intensity regime it predicts various phenomena that so far have not directly been accessible in all-optical…

Optics · Physics 2020-03-11 Leonhard Klar

Dynamo action is shown to be induced from homogeneous non-minimal photon-torsion axial coupling in the quantum electrodynamics (QED) framework in Riemann flat spacetime contortion decays. The geometrical optics in Riemann-Cartan spacetime…

General Relativity and Quantum Cosmology · Physics 2010-07-13 Garcia de Andrade

Self-energy and vacuum polarization effects in quantum electrodynamics (QED) are calculated for the supercritical Coulomb field, where Dirac energy levels become embedded in the negative-energy continuum. In this regime, the quantum vacuum…

Atomic Physics · Physics 2024-09-16 V. A. Zaytsev , V. A. Yerokhin , C. H. Keitel , N. S. Oreshkina

This paper explores the effects of strong magnetic fields on the Compton scattering of relativistic electrons. Recent studies of upscattering and energy loss by relativistic electrons that have used the non-relativistic, magnetic Thomson…

In this work we study the electromagnetic response induced by axions in a magnetized plasma, focusing specifically on characterizing energy transfer and energy losses from the ambient axion field in highly inhomogeneous and strongly varying…

High Energy Physics - Phenomenology · Physics 2026-03-31 Fabrizio Corelli , Estanis Utrilla Ginés , Enrico Cannizzaro , Andrea Caputo , Samuel J. Witte

We experimentally and theoretically investigate the influence of the magnetic component of an electromagnetic field on high-order above-threshold ionization of xenon atoms driven by ultrashort femtosecond laser pulses. The nondipole shift…

We investigate the effect of an applied constant and uniform magnetic field in the fine-structure constant of massive and massless QED. In massive QED, it is shown that a strong magnetic field removes the so called Landau pole and that the…

High Energy Physics - Phenomenology · Physics 2019-11-20 E. J. Ferrer , A. Sanchez

New electrodynamics with quaternionic mass is found to yields interesting results. The quaternionic mass involves longitudinal as well as transverse (vector) masses. Because of these two masses, an application of a magnetic field in a…

General Physics · Physics 2022-02-08 A. I. Arbab

One of the promising new proposals to search for axions in astrophysical environments is to look for narrow radio lines produced from the resonant conversion of axion dark matter falling through the magnetospheres of neutron stars. For…

High Energy Physics - Phenomenology · Physics 2024-01-05 Jonas Tjemsland , Jamie McDonald , Samuel J. Witte

In this study, we utilize intense laser pulses and advanced quantum mechanical frameworks to investigate the behavior of high-velocity electrons within magnetized plasma environments. The focus of our research is placed within the context…

Plasma Physics · Physics 2024-12-31 B. S. Sharma , Garima Yadav , N. K. Jaiman , D. N. Gupta

An axion background field induces tiny oscillating electric and magnetic fields in an external static magnetic field. This signature is used to search for axion dark matter. We use standard quantum field theory techniques to obtain an…

High Energy Physics - Phenomenology · Physics 2019-03-01 Marc Beutter , Andreas Pargner , Thomas Schwetz , Elisa Todarello

We consider the effects of a noisy magnetic field background over the fermion propagator in QED, as an approximation to the spatial inhomogeneities that would naturally arise in certain physical scenarios, such as heavy-ion collisions or…

High Energy Physics - Theory · Physics 2023-05-31 Jorge David Castaño-Yepes , Marcelo Loewe , Enrique Muñoz , Juan C. Rojas , Renato Zamora

The energy loss of a rotationally powered pulsar is primarily carried away as electromagnetic radiation and a particle wind. Considering that the magnetic field strength of pulsars ranges from about $10^8$ to $10^{15}$ G, one could expect…

High Energy Astrophysical Phenomena · Physics 2019-04-24 Paul Ripoche , Jeremy Heyl

Using fully kinetic simulations, we study the x-line orientation of magnetic reconnection in an asymmetric configuration. A spatially localized perturbation is employed to induce a single x-line, that has sufficient freedom to choose its…

Space Physics · Physics 2015-11-04 Yi-Hsin Liu , Michael Hesse , Masha Kuznetsova

Vacuum polarization effects are non-perturbatively incorporated into the photon propagator to eliminate the severe infrared problems characteristic of QED$_3$. The theory is thus rephrased in terms of a massive vector boson whose mass is…

High Energy Physics - Theory · Physics 2019-08-15 H. O. Girotti , M. Gomes , J. L. deLyra , R. S. Mendes , J. R. S. Nascimento , A. J. da Silva

The low-energy light-by-light cross section as determined by the nonlinear Euler-Heisenberg QED Lagrangian is evaluated in the presence of constant magnetic fields in the center-of-mass system of the colliding photons. This cross section…

High Energy Physics - Phenomenology · Physics 2018-09-12 R. Baier , A. Rebhan , M. Wödlinger

We investigate the instability due to dynamical axion field near the topological phase transition of insulators. We first point out that the amplitude of dynamical axion field is bounded for magnetic insulators in general, which suppresses…

Mesoscale and Nanoscale Physics · Physics 2019-01-30 Tatsushi Imaeda , Yuki Kawaguchi , Yukio Tanaka , Masatoshi Sato

Some results of an external electromagnetic field influence on axion decays are presented. It is shown that the field catalyzes substantially these processes. The result describing the axion decay $a \to f \tilde f$ we have obtained can be…

High Energy Physics - Phenomenology · Physics 2011-04-15 N. V. Mikheev , L. A. Vassilevskaya

We study the equation of state of electron in strong magnetic fields which are greater than the critical value $B_c \simeq 4.4 \times 10^{13}$ Gauss. We find that such a strong magnetic field induces the anisotropic pressure of electron. We…

High Energy Physics - Phenomenology · Physics 2009-11-07 K. Kohri , Shoichi Yamada , S. Nagataki

This paper continues the approach of Kostenko \& Thompson to calculating quantum electrodynamic processes in the ultrastrong magnetic field near some neutron stars, such as magnetars or merging binary neutron stars. Here we consider…

High Energy Astrophysical Phenomena · Physics 2020-03-31 Alexander Kostenko , Christopher Thompson
‹ Prev 1 4 5 6 7 8 10 Next ›