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Quark-antiquark pair production in space-time dependent fields
2004
Physical Review D
Fermion-antifermion pair-production in the presence of classical fields is described based on the retarded and advanced fermion propagators. They are obtained by solving the equation of motion for the Dirac Green's functions with the respective boundary conditions to all orders in the field. Subsequently, various approximation schemes fit for different field configurations are explained. This includes longitudinally boost-invariant forms. Those occur frequently in the description of
doi:10.1103/physrevd.70.105009
fatcat:qddiu7ihsnga3bcmjkikzf3zs4