Theory of spontaneous radiation by electrons in a trajectory-coherent approximation

V. G. Bagrov, V. V. Belov, A. Yu Trifonov

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The first-order quantum correction for the characterization of spontaneous radiation is calculated by means of electron quasi-classical trajectory-coherent states in an arbitrary electromagnetic field. Well known expressions for the characterization of spontaneous radiation are obtained using quasi-classical approximation. The first-order quantum correction is derived as a functional from a classical trajectory (among which is a classical spin vector). Transitions with spin flip and without spin flip are distinguished. Those elements connected with photon kick and quantum motion characteristics are selected for first-order quantum correction. It is shown that, using an ultra-relativistic approximation, the latter may be ignored, but when using a non-relativistic approximation their contributions are approximately equal. A special trajectory-coherent representation that significantly simplifies the investigation of spontaneous radiation is proposed.

Original languageEnglish
Article number038
Pages (from-to)6431-6449
Number of pages19
JournalJournal of Physics A: General Physics
Volume26
Issue number22
DOIs
Publication statusPublished - 1993

Fingerprint

Radiation
trajectories
Electron
Trajectory
radiation
Flip
Approximation
First-order
approximation
electrons
Approximately equal
electromagnetic fields
Coherent States
Electromagnetic Fields
Simplify
Photon
photons
Motion
Arbitrary

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Physics and Astronomy(all)
  • Mathematical Physics

Cite this

Theory of spontaneous radiation by electrons in a trajectory-coherent approximation. / Bagrov, V. G.; Belov, V. V.; Yu Trifonov, A.

In: Journal of Physics A: General Physics, Vol. 26, No. 22, 038, 1993, p. 6431-6449.

Research output: Contribution to journalArticle

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