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Type: Artigo de periódico
Title: Effects Of The Heavy- And Light-hole Mixing In The Exciton Dynamics In Semiconductor Quantum Wells
Author: Aguiar M.C.DeO.
Brum J.A.
Abstract: We present the calculation of the low temperature exciton bimolecular formation rate in quantum wells through acoustic phonon scattering taking into account the heavy- and light-hole mixing in the hole and exciton states. We observe a decrease in the exciton formation rate compared to the parabolic approximation. For symmetric quantum wells, the hole-subband mixing allows a finite probability of scattering involving the change of parity. This opens a channel for spin-flip transitions during the exciton formation process.
Editor: Wiley-VCH Verlag Berlin GmbH, Weinheim, Germany
Rights: fechado
Identifier DOI: 10.1002/1521-396X(200003)178:1<89::AID-PSSA89>3.0.CO;2-9
Date Issue: 2000
Appears in Collections:Unicamp - Artigos e Outros Documentos

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