Dissipative electron-phonon system photo-excited far from equilibrium

Abstract

Generalizing the stochastic model known for a driven dissipative granular gas, we have derived the steady-state non-degenerate electron distribution for a semiconductor driven far from equilibrium by the interband photo-excitation assumed uniform over the nanoscale sample. Partitioning of the total inelastic electron scattering into dissipative electron-electron and electron-phonon components is included. The model is applicable to a photo-excited semiconducting sample with fast removal of the electrons by electron-hole recombination from the bottom of the conduction band.