Interaction of phonons with 2D exciton gas

We give an overview of experiments in which luminescence detection of nonequilibrium phonons in semiconductors is used to study the interaction of acoustic phonons with two-dimensional excitons. Question which are specific for the 2D exciton-phonon interaction are discussed: momentum conservation in...

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Bibliographic Details
Published inPhysica. B, Condensed matter Vol. 219; pp. 9 - 12
Main Authors Akimov, A.V., Moskalenko, E.S., Challis, L.J., Kaplyanskii, A.A.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.04.1996
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Summary:We give an overview of experiments in which luminescence detection of nonequilibrium phonons in semiconductors is used to study the interaction of acoustic phonons with two-dimensional excitons. Question which are specific for the 2D exciton-phonon interaction are discussed: momentum conservation in the exciton-phonon interaction; role of exciton-exciton collisions; drag of 2D excitons by phonons; 2D excitons as a phonon spectrometer.
ISSN:0921-4526
1873-2135
DOI:10.1016/0921-4526(95)00633-8