Physics
Scientific paper
Sep 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996ruphj..39..882t&link_type=abstract
Russian Physics Journal, Volume 39, Issue 9, pp.882-887
Physics
Scientific paper
Within the framework of quantum electrodynamics in curved space-time, we consider the process of radiation of a photon by an electron in Robertson-Walker space with flat propagation of cross-sections and expansion law α(η)=βη. The computations are conducted at low order in the theory of perturbations for radiation interactions. It is shown that radiation of a photon by an electron is accompanied by the birth of electronpositron pairs and photons from a vacuum. Since the processes cannot be physically separated from each other, in this paper we compute the probability for the entire process, as well as the average number of particles in the final state of the fermion field.
Medvedev N. N.
Tsaregorodtsev L. I.
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