Many-body dynamics and exciton formation studied by time-resolved photoluminescence

W. Hoyer, C. Ell, M. Kira, S. W. Koch, S. Chatterjee, S. Mosor, G. Khitrova, H. M. Gibbs, H. Stolz

Research output: Contribution to journalArticle

25 Scopus citations

Abstract

The dynamics of exciton and electron-hole plasma populations is studied via time-resolved photoluminescence after nonresonant excitation. By comparing the peak emission at the exciton resonance with the emission of the continuum, it is possible to experimentally identify regimes where the emission originates predominantly from exciton and/or plasma populations. The results are supported by a microscopic theory which allows one to extract the fraction of bright excitons as a function of time.

Original languageEnglish (US)
Article number075324
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume72
Issue number7
DOIs
StatePublished - Aug 15 2005

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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