Analytical results for nonlinear Compton scattering in short intense laser pulses

Daniel Seipt, Vasily Kharin, Sergey Rykovanov, Andrey Surzhykov, Stephan Fritzsche

Research output: Contribution to journalArticlepeer-review

33 Citations (Scopus)

Abstract

We study in detail the strong-field QED process of nonlinear Compton scattering in short intense plane wave laser pulses of circular polarization. Our main focus is placed on how the spectrum of the backscattered laser light depends on the shape and duration of the initial short intense pulse. Although this pulse shape dependence is very complicated and highly nonlinear, and has never been addressed explicitly, our analysis reveals that all the dependence on the laser pulse shape is contained in a class of three-parameter master integrals. Here we present completely analytical expressions for the nonlinear Compton spectrum in terms of these master integrals. Moreover, we analyse the universal behaviour of the shape of the spectrum for very high harmonic lines.

Original languageEnglish
Article number655820203
JournalJournal of Plasma Physics
Volume82
Issue number2
DOIs
Publication statusPublished - 1 Apr 2016
Externally publishedYes

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