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Related papers: Cherenkov-drift emission mechanism

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Electromagnetic processes associated with a charged particle moving in a strong circular magnetic field is considered in cylindrical coordinates. We investigate the relation between the vacuum curvature emission and Cherenkov emission and…

Astrophysics · Physics 2009-10-30 Maxim Lyutikov , George Machabeli , Roger Blandford

Emission process of a charged particle propagating in a medium with a curved magnetic field is considered. This mechanism combines features of conventional Cherenkov and curvature emission. Thus, presence of a medium with the index of…

High Energy Astrophysical Phenomena · Physics 2015-06-22 George Machabeli , Nino Chkheidze

We examine linear and quasi-liner stages of Cherenkov-drift instability in the relativistic magnetized electron-positron plasma. The external magnetic field lines are assumed to be slightly curved. In this case the curvature drift of…

Astrophysics · Physics 2007-05-23 David Shapakidze , George Machabeli , George Melikidze , David Khechinashvili

A theory of pulsar radio emission generation, in which the observed waves are produced directly by maser-type plasma instabilities operating at the anomalous cyclotron-Cherenkov resonance $\omega- k_{\parallel} v_{\parallel} + \omega_B/…

Astrophysics · Physics 2009-10-30 Maxim Lyutikov , Roger D. Blandford , George Machabeli

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

The curvature drift instability has long been considered as a viable mechanism for pulsar radio emission. We reconsidered this mechanism by finding an explicit solution describing propagation of short-wave electro-magnetic waves in a plasma…

High Energy Astrophysical Phenomena · Physics 2015-05-19 Alexander Kaganovich , Yuri Lyubarsky

The Cherenkov radiation is substantially modified in the presence of a medium with a nontrivial dispersion relation. We consider Cherenkov emission spectra of a point charge moving in general three- (3D) and two-dimensional (2D) photonic…

Optics · Physics 2009-11-13 Christian Kremers , Dmitry N. Chigrin , Johann Kroha

Relativistic plasma masers operating on the anomalous cyclotron-Cherenkov resonance and the Cherenkov-drift resonance are capable of explaining the main observational characteristics of pulsar radio emission. Both electromagnetic…

Astrophysics · Physics 2016-08-30 Maxim Lyutikov , Roger Blandford , George Machabeli

A covariant criterion for the Cherenkov radiation emission in the field of a non-linear gravitational wave is considered in the framework of exact integrable models of particle dynamics and electromagnetic wave propagation. It is shown that…

General Relativity and Quantum Cosmology · Physics 2009-10-31 Alexander B. Balakin , Richard Kerner , Jose' P. S. Lemos

In the present paper we study generation of the synchrotron emission by means of the feedback of Cherenkov drift waves on the particle distribution via the diffusion process. It is shown that despite the efficient synchrotron losses the…

High Energy Astrophysical Phenomena · Physics 2015-06-12 Zaza Osmanov , Nino Chkheidze

A charged particle moving through a medium emits Cherenkov radiation when its velocity exceeds the phase velocity of light in that medium. Under the influence of a strong electromagnetic field, quantum fluctuations can become polarized,…

High Energy Physics - Phenomenology · Physics 2019-04-30 Alexander J. Macleod , Adam Noble , Dino A. Jaroszynski

We demonstrate that, in the presence of an external magnetic field, an uncharged classical Schwarzschild black hole moving superluminally in a dielectric with permittivity $\epsilon > 1$ produces Cherenkov emission. This is a new physical…

High Energy Physics - Theory · Physics 2025-05-06 Sergei Khlebnikov , Maxim Lyutikov

Direct current in clean semiconductors and metals was recently shown to obey the laws of hydrodynamics in a broad range of temperatures and sample dimensions. However, the determination of frequency window for hydrodynamic phenomena remains…

Mesoscale and Nanoscale Physics · Physics 2019-12-04 Dmitry Svintsov

Cherenkov radiation of charged particles moving with superluminal velocities in transparent media is a well-studied phenomenon with a plethora of applications. Its microscopic origins can be traced to the polarization of atomic shells,…

Quantum Physics · Physics 2025-05-13 D. Karlovets , A. Chaikovskaia , D. Grosman , D. Kargina , A. Shchepkin , G. Sizykh

We investigate the Cherenkov radiation by a charge uniformly moving inside a dielectric cylindrical channel in a homogeneous medium. The expressions for the Fourier components of the electric and magnetic fields are derived by using the…

Optics · Physics 2024-06-21 A. A. Saharian , S. B. Dabagov , H. F. Khachatryan , L. Sh. Grigoryan

The paper deals with the one possible mechanism of the pulsar radio emission, i.e., with the collective curvature radiation of the relativistic particle stream moving along the curved magnetospheric magnetic field lines. It is shown that…

High Energy Astrophysical Phenomena · Physics 2015-06-03 Ya. N. Istomin , A. A. Philippov , V. S. Beskin

Classical Cherenkov radiation is a celebrated physics phenomenon of electromagnetic (EM) radiation stimulated by an electric charge moving with constant velocity in a three dimensional dielectric medium. Cherenkov radiation has a wide…

Plasma Physics · Physics 2023-11-01 Edl Schamiloglu , Alexander Figotin

The effects arising from accelerated and decelerated motion of a point charge inside a medium are studied. The motion is manifestly relativistic and may be produced by a constant uniform electric field. It is shown that in addition to the…

Nuclear Theory · Physics 2009-10-31 G. N. Afanasiev , V. G. Kartavenko

We investigate the radiation from a charged particle moving outside a dielectric cylinder parallel to its axis. It is assumed that the cylinder is immersed into a homogeneous medium. The expressions are given for the vector potential and…

Accelerator Physics · Physics 2021-01-04 A. A. Saharian , L. Sh. Grigoryan , A. Kh. Grigorian , H. F. Khachatryan , A. S. Kotanjyan

The Cherenkov effect is a well known phenomenon in the electrodynamics of fast charged particles passing through transparent media. If the particle is faster than the light in a given medium, the medium emits a forward light cone. This…

Mesoscale and Nanoscale Physics · Physics 2011-02-18 Sergey Smirnov
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