Properties of an ultrarelativistic charged particle radiation in a constant homogeneous crossed electromagnetic field

O. V. Bogdanov, P. O. Kazinski, G. Yu Lazarenko

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The properties of radiation created by a classical ultrarelativistic scalar charged particle in a constant homogeneous crossed electromagnetic field are described both analytically and numerically with radiation reaction taken into account in the form of the Landau–Lifshitz equation. The total radiation naturally falls into two parts: the radiation formed at the entrance point of a particle into the crossed field (the synchrotron entrance radiation), and the radiation coming from the late-time asymptotics of a particle motion (the de-excited radiation). The synchrotron entrance radiation resembles, although does not coincide with, the ultrarelativistic limit of the synchrotron radiation: its distribution over energies and angles possesses almost the same properties. The de-excited radiation is soft, not concentrated in the plane of motion of a charged particle, and almost completely circularly polarized. The photon energy delivering the maximum to its spectral angular distribution decreases with increasing the initial energy of a charged particle, while the maximum value of this distribution remains the same at the fixed photon observation angle and entrance angle of a charged particle. The ultraviolet and infrared asymptotics of the total radiation are also described.

Original languageEnglish
Pages (from-to)23-40
Number of pages18
JournalAnnals of Physics
Volume380
DOIs
Publication statusPublished - 1 May 2017

Fingerprint

charged particles
electromagnetic fields
radiation
entrances
synchrotrons
crossed fields
photons
particle motion
radiation distribution
energy
synchrotron radiation
angular distribution
scalars

Keywords

  • Crossed electromagnetic field
  • Landau–Lifshitz equation
  • Polarization
  • Spectral angular radiation distribution

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Properties of an ultrarelativistic charged particle radiation in a constant homogeneous crossed electromagnetic field. / Bogdanov, O. V.; Kazinski, P. O.; Lazarenko, G. Yu.

In: Annals of Physics, Vol. 380, 01.05.2017, p. 23-40.

Research output: Contribution to journalArticle

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