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We consider two semi-infinite magnetoelecteric media separated by a planar interface whose electromagnetic response is described by axion-electrodynamics. The time dependent Green's function characterizing this geometry is obtained by a…

Mesoscale and Nanoscale Physics · Physics 2019-07-03 O. J. Franca , L. F. Urrutia , Omar Rodríguez-Tzompantzi

We study how transition radiation is modified by the presence of a generic magnetoelectric medium with a special focus on topological insulators. To this end, we use the Green's function for the electromagnetic field in presence of a plane…

Mesoscale and Nanoscale Physics · Physics 2022-04-25 O. J. Franca , Stefan Yoshi Buhmann

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…

High Energy Physics - Phenomenology · Physics 2020-10-30 O. J. Franca , L. F. Urrutia , Omar Rodríguez-Tzompantzi

We present the detailed quantum electrodynamical description of Vavilov-Cherenkov radiation emitted by a relativistic twisted electron in the transparent medium. Simple expressions for the spectral and spectral-angular distributions as well…

Quantum Physics · Physics 2016-05-25 I. P. Ivanov , V. G. Serbo , V. A. Zaytsev

A general phenomenon of the Cherenkov radiation known in optics or acoustics of conventional materials is a formation of a forward cone of, respectively, photons or phonons emitted by a particle accelerated above the speed of light or sound…

Mesoscale and Nanoscale Physics · Physics 2014-09-16 Sergey Smirnov

Geometry of Vavilov-Cherekov (VChR) radiation when an electron moves close to a dielectric target is in analogy to diffraction radiation (DR) geometry. In this case we may expect DR generation from the upstream face of the target besides…

Accelerator Physics · Physics 2015-06-03 M. Shevelev , G. Naumenko , A. Potylitsyn , Yu. Popov

Here, we investigate the Cherenkov emission by an array of moving electric charges in the vicinity of a topologically nontrivial gyrotropic material. It is shown that the nonreciprocal material response may result in a robustly asymmetric…

Optics · Physics 2018-09-26 Filipa R. Prudêncio , Mário G. Silveirinha

Starting from the modified Maxwell equations in Carroll-Field-Jackiw electrodynamics we study the electromagnetic radiation in a chiral medium characterized by an axion coupling $\theta(x)=b_\mu x^\mu$, with $b_\mu= (0,\mathbf{b})$, which…

High Energy Physics - Phenomenology · Physics 2023-06-14 Eduardo Barredo-Alamilla , Luis F. Urrutia , Manoel M. Ferreira

Cherenkov radiation enables high-energy particle identification through its velocity-dependent emission angle, yet conventional detectors fail to detect momenta beyond tens of GeV/c owing to the absence of natural materials with near-unity…

Optics · Physics 2025-08-29 Zhixiong Xie , Xiao Lin , Song Zhu , Chunyu Huang , Yu Luo , Hao Hu

Using a fully relativistic theory we study the quantum Vavilov-Cherenkov radiation and quantum friction occurring during relative sliding of the two transparent dielectric plates with the refractive index $n$. These phenomena occur above…

Mesoscale and Nanoscale Physics · Physics 2016-01-19 A. I. Volokitin , B. N. J Persson

Radiation generated by a charge moving through a vacuum channel in a dielectric cone is analyzed. It is assumed that the charge moves through the cone from the apex side to the base side (the case of "inverted" cone). The cone size is…

Accelerator Physics · Physics 2020-11-25 Andrey V. Tyukhtin , Sergey N. Galyamin , Viktor V. Vorobev , Aleksandra A. Grigoreva

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

Chiral matter exhibits unique electromagnetic responses due to the macroscopic manifestation of the chiral anomaly as anomalous transport currents. Here, we study the modification of electromagnetic radiation in isotropic chiral matter…

High Energy Physics - Phenomenology · Physics 2025-01-29 Eduardo Barredo-Alamilla , Luis F. Urrutia , Maxim A. Gorlach

We study an electromagnetic radiation of a small bunch having a variable charge value and crossing a flat interface between two media. Both media are homogeneous, stationary, and isotropic. They may have frequency dispersion but no spatial…

Classical Physics · Physics 2023-05-09 Xingzhen Fan , Andrey V. Tyukhtin

It is proposed the new microscopic theory of Vavilov-Cherenkov radiation (VCR), emitted directly by medium in non-equilibrium state, arising due to the interaction of medium with a sufficiently fast charged particle. Contrary to the…

General Physics · Physics 2012-04-03 S. G. Chefranov

This paper contains details of calculation of the surface wave excitation by a fast moving charged particle in a thin uniform metal film surrounded by a dielectic medium. Early on the effect was described in the paper arXiv:0911.0565 03…

Optics · Physics 2010-02-17 V. S. Zuev , A. M. Leontovich , V. V. Lidsky

We consider two semi-infinite magnetoelectric media with constant dielectric permittivity separated by a planar interface, whose electromagnetic response is described by non-dynamical axion electrodynamics and investigate the radiation of a…

Other Condensed Matter · Physics 2022-11-08 O. J. Franca , Luis F. Urrutia

An electron beam passing through a tube which is lined on the inside with a dielectric layer will radiate energy in the THz range due to the interaction with the boundary. The resonant enhancement of certain frequencies is conditioned by…

Accelerator Physics · Physics 2020-05-13 Klaus Floettmann , Francois Lemery , Martin Dohlus , Michaela Marx , Mikayel Ivanyan , Vasili Tsakanov

An effect that is an analogue to the Vavilov-Cherenkov effect in a uniform space would be observed in a space with a boundary of well reflecting light metal-dielectric. The main difference is in that quanta of some electron volt would be…

Optics · Physics 2015-03-17 V. S. Zuev , G. Ya. Zueva

We have obtained general expressions for the intensity of radiation, decelerating force, the rate of heating and acceleration of a small polarizable particle under the conditions of Cherenkov friction: at relativistic motion parallel to the…

Mesoscale and Nanoscale Physics · Physics 2017-08-04 G. V. Dedkov , A. A. Kyasov
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