Self-consistent T-matrix theory of semiconductor light-absorption and luminescence

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Abstract

We present a detailed theoretical analysis of light-absorption and luminescence of bulk semiconductors at finite electron-hole densities and temperatures. The analysis is carried out within a real-time Green's-function formalism with self-energies evaluated in the self-consistent T-matrix approximation. The theory is applied to a two-band model of GaAs, for which the single-particle self-energies and spectral functions and the absorption and luminescence spectra are calculated. The effects of excitonic correlations on these quantities are highlighted.

Original languageEnglish (US)
Article number155205
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume79
Issue number15
DOIs
StatePublished - Apr 17 2009

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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