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Related papers: Cherenkov radiation in chiral media

200 papers

In a relativistic plasma neutrino can emit plasmons by the Cerenkov process which is kinematically allowed for a range of frequencies for which refractive index is greater than one. We have calculated the rate of energy emission by this…

High Energy Physics - Phenomenology · Physics 2009-10-30 Sarira Sahu

This work summarizes the results presented at 29th International Cosmic Ray Conference in Pune India. Generally the aim of this work is to obtain the lateral distribution of the atmospheric Cherenkov light in extensive air showers produced…

Astrophysics · Physics 2007-05-23 Alexander Mishev , Strashimir Mavrodiev , Jordan Stamenov

We report on the generation of coherent phonon polaritons in ZnTe, GaP and LiTaO$_{3}$ using ultrafast optical pulses. These polaritons are coupled modes consisting of mostly far-infrared radiation and a small phonon component, which are…

Materials Science · Physics 2009-11-10 J. K. Wahlstrand , R. Merlin

Our study delves into the modifications observed in Vavilov-Cherenkov radiation when its generating charged particle moves parallel to an interface formed by two generic magnetoelectric media, focusing on topological insulators. We compute…

Mesoscale and Nanoscale Physics · Physics 2024-12-03 O. J. Franca , Stefan Yoshi Buhmann

Ground-based composition measurements of high-energy cosmic rays can be significantly improved by using the direct Cherenkov method. This technique targets the Cherenkov light produced by the primary particle prior to its production of an…

Astrophysics · Physics 2019-08-13 S. A. Wissel

Based on the new quantum Vavilov-Cherenkov,s radiation(VCR) theory (PRL,2004),it is stated the possibility of threshold realization in the modern epoch of the novel VCR effect by the relict photon gas, when it is traversed by relativistic…

High Energy Astrophysical Phenomena · Physics 2012-08-21 S. G. Chefranov

We show that the combination of two achiral components - atomic or molecular target plus a circularly polarized photon - can yield chirally structured photoelectron angular distributions. For photoionization of CO, the angular distribution…

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

Two-color photoionization produces a cycle-averaged current driving broadband, conically emitted THz radiation. We investigate, through simulation, the processes determining the angle of conical emission. We find that the emission angle is…

Optics · Physics 2013-12-17 Luke A. Johnson , John P. Palastro , Thomas M. Antonsen , Ki-Yong Kim

We investigate photon production from media characterized by a time-dependent chiral chemical potential $\mu_5(t)$. We first consider the chiral anomaly as a small perturbation and show that $\mu_5\to 2\gamma$ process generates…

High Energy Physics - Phenomenology · Physics 2025-08-19 Kirill Tuchin

We study some observational signatures of nonlinearities of the electromagnetic field. First to all we show the vital role played by nonlinearities in triggering a material behavior of the vacuum with $(\varepsilon > 0, \mu <0)$, which…

High Energy Physics - Phenomenology · Physics 2023-03-01 P. Gaete , J. A. Helayël-Neto

The linearized Einstein equation describing graviton propagation through a chiral medium appears to be helicity dependent. We analyze features of the corresponding spectrum in a collision-less regime above a flat background. In the long…

High Energy Physics - Theory · Physics 2018-04-04 Andrey Sadofyev , Srimoyee Sen

The Maxwell equations for chiral media are treated with the aid of quaternionic analysis methods. Besides the possibility of simplification of the form of such basic facts like the Stratton-Chu formulas we obtain a criterion for the…

Mathematical Physics · Physics 2007-05-23 Vladislav Kravchenko , Hector Oviedo

The main interest of the present work is in analyzing the lateral distribution function (LDF) of Cherenkov radiation from particles that produced in Extensive Air Showers (EAS). The simulation of Cherenkov radiation LDF is fulfilled by…

High Energy Astrophysical Phenomena · Physics 2019-11-13 Zena Fadhel Khadhum , Hassan Abdullah Mahdi , A. A. Al-Rubaiee

A fast charged particle crossing the boundary between the chiral matter and vacuum radiates the transition radiation. Its most remarkable features --- the resonant behavior at a certain emission angle and the circular polarization of the…

High Energy Physics - Phenomenology · Physics 2018-11-07 Xu-Guang Huang , Kirill Tuchin

Cerenkov radiation from cavities have been analyzed by quantum electrodynamic theory. Analytical expressions of some basic radiation properties including Einstein's $A$ and $B$ coefficients are derived and shown to be directly modified by…

Optics · Physics 2009-11-11 Ju Gao , Fang Shen

The general formula for probability to record a twisted photon produced by a charged particle moving in an inhomogeneous isotropic dispersive medium is derived. The explicit formulas for probability to record a twisted photon are obtained…

Optics · Physics 2019-10-30 O. V. Bogdanov , P. O. Kazinski , G. Yu. Lazarenko

For waveguides with two separate regions of anomalous dispersion, it is possible to create a quasi-stable two-color solitary wave. In this paper we consider how those waves interact with dispersive radiation, both generation of Cherenkov…

It is shown that under the post-Newtonian approximation the Einstein equations can be reduced to the standard Maxwell-type field equations in a medium; in such a context the Cerenkov emission by a neutralparticle gives large energy loss…

Plasma Physics · Physics 2007-05-23 X. Q. Li , S. Q. Liu

We present a scheme to synthesize a three-dimensional laser field that produces a chiral electron momentum distribution upon strong-field ionization of atoms. Our approach employs two orthogonally propagating two-color laser beams. This…