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Photoluminescence study of exciton–optical phonon scattering in bulk GaAs and GaAs quantum wells

✍ Scribed by Gopal, A. Venu; Kumar, Rajesh; Vengurlekar, A. S.; Bosacchi, A.; Franchi, S.; Pfeiffer, L. N.


Book ID
118184404
Publisher
American Institute of Physics
Year
2000
Tongue
English
Weight
336 KB
Volume
87
Category
Article
ISSN
0021-8979

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We report the first measurements of the interaction of non-equilibrium phonons with twodimensional exciton gases (2DExGs). The rise in the effective temperature of the 2DExG produced by the phonons depends on the width of the quantum well and the exciton sheet density and hence on the ratio 5 -l (ex