Abstract

A quantum kinetic theory for correlated charged-particle systems in strong time-dependent electromagnetic fields is developed. Our approach is based on a systematic gauge-invariant nonequilibrium Green's functions formulation. We concentrate on the selfconsistent treatment of dynamical screening and electromagnetic fields which is applicable to arbitrary nonequilibrium situations. Numerical results for the nonlinear plasma heating by the laser field and the electron-ion collision frequency including multi-photon absorption (inverse bremsstrahlung) are presented.

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