Abstract: We present numerical results for charge-carrier relaxation processes by carrier-carrier scattering in various semiconductor structures. Common to all examples is the aspect of anisotropy. Our results are based on a generalized quantum Boltzmann equation. Specifically, we solve the Kadanoff-Bayn equations for the relevant two-time Green's function. The systems under consideration are bulk GaAs with anisotropically photo-excited electrons and hexagonal CdS. !19
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