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Ultra-fast carriers relaxation in bulk silicon following photo-excitation with a short and polarized laser pulse
A novel approach based on the merging of the out-of-equilibrium Green's function method with the ab-initio Density-Functional-Theory is used to describe the ultra-fast carriers relaxation in Silicon.The results are compared with recent two photon photo-emission measurements.We show that the interpretation of the carrier relaxation in terms of L → X …