English
Related papers

Related papers: Cherenkov radiation in moving medium

200 papers

The propagation of a quasi-harmonic electromagnetic wave in a bulk hyperbolic dielectric metamaterial is considered. If the group velocities dispersion is not taken into account, then wave propagation can be described either by the…

Pattern Formation and Solitons · Physics 2022-11-04 A. I. Maimistov

Charged particles in the geodesic trajectory of an external gravitational field do not emit electromagnetic radiation. This is expected from the application of the equivalence principle. We show here that charged particles propagating in an…

Astrophysics · Physics 2009-10-28 Anshu Gupta , Subhendra Mohanty , Manoj K. Samal

The FlatDot detector has been used to demonstrate the separation of Cherenkov and scintillation light for 1 to 2MeV electrons in linear alkylbenzene (LAB). With an average PMT transit time spread (TTS) of 200ps, the early light in each…

Instrumentation and Detectors · Physics 2019-02-20 Julieta Gruszko , Brian Naranjo , Byron Daniel , Andrey Elagin , Diana Gooding , Chris Grant , Jonathan Ouellet , Lindley Winslow

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 theory of non-bremsstrahlung radiation by non-equilibrium medium is proposed on the base of the new (PRL, 2004; JETP, 2004) quantum theory of Vavilov-Cherenkov radiation (VCR), where Abraham's form for the true photon momentum…

General Physics · Physics 2012-05-18 S. G. Chefranov

Vacuum Cerenkov radiation is possible in certain Lorentz-violating quantum field theories, when very energetic charges move faster than the phase speed of light. In the presence of a CPT-even, Lorentz-violating modification of the photon…

High Energy Physics - Theory · Physics 2008-11-26 Brett Altschul

A medium which is an isotropic chiral medium from the perspective of a co-moving observer is a Faraday chiral medium (FCM) from the perspective of a non-co-moving observer. The Tellegen constitutive relations for this FCM are established.…

Optics · Physics 2009-11-11 Tom G. Mackay , Akhlesh Lakhtakia

In theories with broken Lorentz symmetry, Cerenkov radiation may be possible even in vacuum. We analyze the Cerenkov emissions that are associated with the least constrained Lorentz-violating modifications of the photon sector, calculating…

High Energy Physics - Theory · Physics 2008-11-26 Brett Altschul

Cascades of charged particles are created when high-energy cosmic rays enter the earth's atmosphere: these 'extensive air-showers' are studied to gain information on the energy spectrum, arrival direction distribution and mass composition…

History and Philosophy of Physics · Physics 2015-05-27 A A Watson

Cherenkov techniques are widely used in astroparticle experiments. This article reviews the various detection principles and the corresponding experiments, including some of the physics breakthroughs. In particular, it traces the…

High Energy Astrophysical Phenomena · Physics 2023-04-06 Christian Spiering

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

The abnormally intense radiation due to the uniform rotation of electron around the equatorial plane of a dielectric sphere is obtained. It takes place when the sphere surface is at a specific distance from the electron orbit and when the…

Condensed Matter · Physics 2007-05-23 L. Sh. Grigoryan , H. F. Khachatryan , S. R. Arzumanyan

Until recently, the interaction of electromagnetic waves with crystals built from parallel metallic wires (wire media) was analyzed in the approximation of isotropic scattering of the electromagnetic wave by a single wire. However, if the…

Optics · Physics 2017-06-28 Vladimir Baryshevsky , Evgeny Gurnevich

We consider Cerenkov radiation which must arise when randomly oriented straight cosmic (super)strings move with relativistic velocities without intercommutation. String interactions via dilaton, two-form and gravity (gravity being the…

High Energy Physics - Theory · Physics 2007-05-23 Elena Melkumova , Dmitri Gal'tsov , Karim Salehi

We are used to describe the detection of light in terms of particles and its propagation from the source to the detection, by waves. For instance, the slowing down of light in a transparent medium is always explained within the…

General Physics · Physics 2011-06-21 Marcel Urban , Francois Couchot , Sylvie Dagoret Campagne , Xavier Sarazin

The Imaging Atmospheric Cherenkov technique allows to detect very high energy gamma rays from few tens of GeV to hundreds of TeV using ground-based instrumentation. At these energies a gamma ray generates a shower of secondary particles…

Instrumentation and Methods for Astrophysics · Physics 2023-06-13 Juan Cortina , Carlos Delgado

The radiation from a relativistic electron uniformly moving along the axis of cylindrical waveguide filled with laminated material of finite length is investigated. Expressions for the spectral distribution of radiation passing throw the…

Accelerator Physics · Physics 2015-06-04 L. Sh. Grigoryan , A. R. Mkrtchyan , H. F. Khachatryan , S. R. Arzumanyan , W. Wagner

Cosmic ray detectors use air as a radiator for luminescence. In water and ice, Cherenkov light is the dominant light producing mechanism when the particle's velocity exceeds the Cherenkov threshold, approximately three quarters of the speed…

Instrumentation and Methods for Astrophysics · Physics 2016-10-21 Anna Obertacke Pollmann

It is shown that in some special cases the Cherenkov radiation from a charged particle moving along the axis of cylindrical waveguide filled with a semi-infinite material consisting of dielectric plates alternated with vacuum gaps is many…

Classical Physics · Physics 2022-03-02 L. Sh. Grigoryan , H. F. Khachatryan , S. R. Arzumanyan

We propose a setup for measuring visible and near-visible internal Smith-Purcell radiation and Cherenkov Diffraction Radiation, based on silica and silicon, and perform quantitative numerical analysis of its radiation efficiency. We…

‹ Prev 1 8 9 10 Next ›