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Influence of acoustic phonons on dephasing of free excitons in quantum wells

Oh, IK and Singh, J (2001). Influence of acoustic phonons on dephasing of free excitons in quantum wells. Superlattices and Microstructures,30(6):287-295.

Document type: Journal Article
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Title Influence of acoustic phonons on dephasing of free excitons in quantum wells
Author Oh, IK
Singh, J
Journal Name Superlattices and Microstructures
Publication Date 2001
Volume Number 30
Issue Number 6
ISSN 0749-6036   (check CDU catalogue open catalogue search in new window)
Scopus ID 2-s2.0-0035743985
Start Page 287
End Page 295
Total Pages 9
Place of Publication Amsterdam, Netherlands
Publisher Elsevier
HERDC Category C1 - Journal Article (DEST)
Abstract A theory of the dephasing rate of quasi-2D free excitons due to acoustic phonon interaction at low exciton densities is presented. Both deformation potential and piezoelectric couplings are considered for the exciton-phonon interaction in quantum wells. Using the derived interaction Hamiltonian obtained recently by us, exciton linewidth and dephasing rate are calculated as a function of the exciton density, exciton temperature, exciton momentum and lattice temperature. (C) 2002 Elsevier Science Ltd. All rights reserved.
Keywords exciton-acoustic phonon interaction
quantum wells
linewidths
scattering
relaxation
photoluminescence
localization
DOI http://dx.doi.org/10.1006/spmi.2002.1019   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
 
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Created: Fri, 12 Sep 2008, 08:35:25 CST by Administrator