Abstract

AbstractIn the present paper the Green's function approach to nonequilibrium quasi‐free charge carriers in highly excited semiconductors is applied. In doing this a system of kinetic equations for generalized Wigner distributions of renormalized quasi‐electrons and holes is obtained, that takes into account (additionally to well‐known published results) the interaction of the longitudinal optical phonons and the intraband interaction of the radiation field with the electron–hole plasma. Thus, utilizing the corresponding field equations and the suitable boundary conditions, relaxation processes in the semiconductor after excitation by a short laser pulse and a laser probe beam experiment may be described.

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