Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1998-09-02
Int.J.Mod.Phys. E7 (1998) 709-722
Physics
High Energy Physics
High Energy Physics - Phenomenology
13 pages, LaTeX, epsfig.sty, ijmpel.sty, 4 figures. To be published in Int. J. Mod. Phys. E
Scientific paper
A quantum kinetic equation is derived for the description of pair production in a time-dependent homogeneous electric field $E(t)$. As a source term, the Schwinger mechanism for particle creation is incorporated. Possible particle production due to collisions and collisional damping are neglected. The main result is a kinetic equation of non-Markovian character. In the low density approximation, the source term is reduced to the leading part of the well known Schwinger formula for the probability of pair creation. We discuss the momentum and time dependence of the derived source term and compare with other approaches.
Blaschke David
Prozorkevich Alexander V.
Röpke Gerd
Schmidt Steffen
Smolyansky Stanislav A.
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