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Analysis of Excitonic Absorption Changes Induced by Incoherent Exciton and Electron–Hole Pair Populations
Author(s) -
Meier T.,
Koch S.W.
Publication year - 2000
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/1521-3951(200009)221:1<211::aid-pssb211>3.0.co;2-l
Subject(s) - exciton , electron , absorption (acoustics) , electron hole , physics , atomic physics , condensed matter physics , optics , quantum mechanics
The density‐dependent absorption in the presence of incoherent occupations of excitons and electron–hole pairs is analyzed including many‐body correlations represented by exciton to two‐exciton transitions. At low temperatures the exciton resonance is bleached and shifts to higher energies with increasing density. For higher temperature, the blue shift disappears and pure bleaching is obtained.