Nonresonant Quantum Electrodynamics Processes
in a Pulsed Laser Field¹

S. P. Roshchupkin*, A. A. Lebed’**, and E. A. Padusenko***

National Academy of Sciences of Ukraine, Institute of Applied Physics, Petropavlivska ul. 58, Sumy, 40030 Ukraine

*e-mail: rsplusi@ukr.net
**e-mail: lebedo@ukr.net
***e-mail: lpadusenko@yandex.ua

Received December 25, 2011; in final form, December 28, 2011; published online September 3, 2012

Abstract—This review contains theoretical study of nonresonant quantum electrodynamics processes of the
first and second orders in the fine-structure constant in a pulsed laser field. The approximation is examined
when the pulse width is considerably greater than the characteristic time of wave oscillations. It was demon-
strated that for nonrelativistic particle energy the differential cross section of a process in a pulsed light fields
may considerably difference from the corresponding cross section in an absence of a laser field. Results
obtained may be experimentally verified by the scientific facilities at the SLAC National Accelerator Labora-
tory and FAIR (Facility for Antiproton and Ion Research, Darmstadt, Germany) project.

DOI: 10.1134/S1054660X12100209

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