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The Lorentz-Drude model for electric dipoles is a classical framework widely used in the study of dipole dynamics and light-matter interactions. Here we focus on the behaviors of Lorentz-Drude dipoles when their radiative rate dominates…

光学 · 物理学 2025-07-03 Heming Wang , Shanhui Fan

We have calculated the intensity of electromagnetic radiation from particles rotating in close vicinity to a transparent dielectric plate. The radiation is a result of quantum and thermal friction occurring during particle rotation, while…

量子物理 · 物理学 2016-08-26 G. V. Dedkov , A. A. Kyasov

Starting from Jefimenko's equations, we consider the multipole expansions of electric and magnetic fields for a confined system of charges and currents. We analyze and comment on the calculus of radiated power, on the consistent use of…

经典物理 · 物理学 2009-10-08 C. Vrejoiu , R. Zus

Angular momentum densities of electromagnetic beams are connected to helicity (circular polarization) and topological charge (azimuthal phase shift and vorticity). Computing the electromagnetic fields emitted by a circular antenna array,…

经典物理 · 物理学 2009-04-30 H. Then , B. Thidé

Within the model of a Lorentz violating extension of the Maxwell sector of the standard model, modified light propagation leads to a change of the resonance frequency of an electromagnetic cavity, allowing cavity tests of Lorentz violation.…

高能物理 - 唯象学 · 物理学 2009-11-07 Holger Mueller , Claus Braxmaier , Sven Herrmann , Achim Peters , Claus Laemmerzahl

When particles are magnetized, a diffusion process is influenced by the ambient magnetic field. While the entropy increases, the constancy of the magnetic moment puts a constraint. Here, we compare the E-cross-B diffusion caused by random…

等离子体物理 · 物理学 2018-01-25 Naoki Sato , Zensho Yoshida

A charge-density-like covariance is expected to characterize the transition radiation energy spectrum of a N electron bunch as far as the charge form factor is intended to account for bunch-density effects in the radiation emission. The…

加速器物理 · 物理学 2012-07-04 Gian Luca Orlandi

We analyze in this work the energy transfer process of accelerated charges, the mass fluctuations accompanying this process, and their inertial properties. Based on a previous work, we use here the dipole antenna, which is a very convenient…

加速器物理 · 物理学 2007-05-23 Reuven Ianconescu , L . P. Horwitz

We examine the potential-energy curves and polarization of the dipole moments of two static polar molecules under the influence of an external dc electric field and their anisotropic dipole-dipole interaction. We model the molecules as…

量子物理 · 物理学 2024-09-24 Felipe Isaule , Robert Bennett , Jörg B. Götte

Paralleling a previous paper, we examine single- and many-body states of relativistic electrons in an intense, rotating magnetic dipole field. Single-body orbitals are derived semiclassically and then applied to the many-body case via the…

天体物理学 · 物理学 2009-10-30 James M. Gelb , Kaundinya S. Gopinath , Dallas C. Kennedy

We generalize the derivation of electromagnetic fields of a charged particle moving with a constant acceleration [1] to a variable acceleration (piecewise constants) over a small finite time interval using Coulomb's law, relativistic…

经典物理 · 物理学 2018-06-25 Sandeep Aashish , Asrarul Haque

We study the precession caused by electromagnetic radiation on a magnetic dipole located far from the source. As we show, this entails a net rotation of the dipole in the plane orthogonal to the direction of wave propagation, providing an…

高能物理 - 理论 · 物理学 2024-02-01 Blagoje Oblak , Ali Seraj

The power and the probability of electromagnetic radiation from an electron in a constant background tensor field violating Lorentz invariance are calculated. The case of a background field of the quasielectric type is considered. The…

高能物理 - 唯象学 · 物理学 2025-01-31 Anatoly V. Borisov

The study of the magnetic properties of atoms and nuclei was performed. A linear dependence between the strength of the magnetic field at the nucleus and the effective charge divided by the major quantum number were analyzed and explained.…

原子物理 · 物理学 2024-09-02 Andrzej Tucholski , Zygmunt Patyk

The dispersive propagation and absorption in the domain of a Drude-Lorentz dielectric modified by a magnetic current are classically investigated, taking as the starting point the Drude electric permittivity, in connection with the chiral…

光学 · 物理学 2024-12-02 Pedro D. S. Silva , Mario. J. Neves , Manoel M. Ferreira

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…

加速器物理 · 物理学 2022-05-10 Sergey N. Galyamin , Andrey V. Tyukhtin

This paper reports an experiment about abnormal deflection of cathode-ray in odd-symmetric magnetic field. The measurement results show that during cathode-ray passes through odd-symmetric magnetic field, a deflection opposite to Lorentz…

综合物理 · 物理学 2024-04-16 Changgen Zou , Wanshou Jiang

The behaviour of a neutral particle (atom, molecule) with an induced electric dipole moment in a region with a uniform effective magnetic field under the influence of the Kratzer potential [A. Kratzer, Z. Phys. 3, 289 (1920)] and rotating…

量子物理 · 物理学 2016-06-16 Abinael B. Oliveira , Knut Bakke

We study radiation reaction in a Lorentz violating electrodynamics [1]. We explore the possible modification whatsoever present in the radiation reaction force experienced by an accelerating charge in the modified Maxwell theory. However it…

经典物理 · 物理学 2017-08-01 Veera Reddy Vippala , Sashideep Gutti , Asrarul Haque

The polarization properties of a magnetophotonic crystal at the frequencies located in the vicinity of ferromagnetic resonance are studied. The investigations are curried out taking into consideration the fact that the magnitude of material…

光学 · 物理学 2010-11-17 Vladimir R. Tuz , Mikhail Yu. Vidil , Sergey L. Prosvirnin