Diffraction radiation from a charge as radiation from a superluminal source in a vacuum

Abstract

An analysis of spectral-angular characteristics of diffraction radiation, both incoherent and coherent, has been performed. It is shown that radiation processes can be interpreted as Cherenkov radiation, which is produced by a region of dynamic polarization moving along a target edge with superluminal velocity v_SL. Such radiation is generated if the condition v_SL> c is fulfilled, which is the conventional 'threshold' Cherenkov condition.

Original language	English
Pages (from-to)	303-308
Number of pages	6
Journal	Physics-Uspekhi
Volume	63
Issue number	3
DOIs	https://doi.org/10.3367/UFNe.2019.10.038667
Publication status	Published - 31 Mar 2020

Keywords

beam diagnostics
diffraction radiation
superluminal source
THz radiation
transition radiation

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.3367/UFNe.2019.10.038667

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title = "Diffraction radiation from a charge as radiation from a superluminal source in a vacuum",

abstract = "An analysis of spectral-angular characteristics of diffraction radiation, both incoherent and coherent, has been performed. It is shown that radiation processes can be interpreted as Cherenkov radiation, which is produced by a region of dynamic polarization moving along a target edge with superluminal velocity vSL. Such radiation is generated if the condition vSL> c is fulfilled, which is the conventional 'threshold' Cherenkov condition.",

keywords = "beam diagnostics, diffraction radiation, superluminal source, THz radiation, transition radiation",

author = "Potylitsyn, {A. P.} and Sergeeva, {D. Yu} and Strikhanov, {M. N.} and Tishchenko, {A. A.}",

year = "2020",

month = mar,

day = "31",

doi = "10.3367/UFNe.2019.10.038667",

language = "English",

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AU - Potylitsyn, A. P.

AU - Sergeeva, D. Yu

AU - Strikhanov, M. N.

AU - Tishchenko, A. A.

PY - 2020/3/31

Y1 - 2020/3/31

N2 - An analysis of spectral-angular characteristics of diffraction radiation, both incoherent and coherent, has been performed. It is shown that radiation processes can be interpreted as Cherenkov radiation, which is produced by a region of dynamic polarization moving along a target edge with superluminal velocity vSL. Such radiation is generated if the condition vSL> c is fulfilled, which is the conventional 'threshold' Cherenkov condition.

AB - An analysis of spectral-angular characteristics of diffraction radiation, both incoherent and coherent, has been performed. It is shown that radiation processes can be interpreted as Cherenkov radiation, which is produced by a region of dynamic polarization moving along a target edge with superluminal velocity vSL. Such radiation is generated if the condition vSL> c is fulfilled, which is the conventional 'threshold' Cherenkov condition.

KW - beam diagnostics

KW - diffraction radiation

KW - superluminal source

KW - THz radiation

KW - transition radiation

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EP - 308

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