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Pré-Publication, Document De Travail Année : 2022

Nonlinear Compton scattering in time-dependent electric fields: LCFA and beyond

E.G. Gelfer
  • Fonction : Auteur
A.M. Fedotov
  • Fonction : Auteur
S. Weber
  • Fonction : Auteur

Résumé

Locally constant crossed field approximation (LCFA) is a powerful tool for theoretical and numerical studies of various strong field quantum electrodynamical effects. We explore this approximation in detail for photon emission by a spinless particle in a strong time-dependent electric field. This kind of electromagnetic fields is of particular interest, because, in contrast to the comprehensively studied case of a plane wave, they are not crossed. We develop an approach for calculating photon emission probability in a generic time-dependent electric field, establish the range of applicability of LCFA, and calculate the corrections to it.

Dates et versions

hal-03707046 , version 1 (28-06-2022)

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E.G. Gelfer, A.M. Fedotov, A.A. Mironov, S. Weber. Nonlinear Compton scattering in time-dependent electric fields: LCFA and beyond. 2022. ⟨hal-03707046⟩
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