Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/95899
Type: Artigo de periódico
Title: Γ-x Exciton Dispersion
Author: Resende X.R.
Brum J.A.
Abstract: We discuss the exciton centre-of-mass dispersion in a (Ga,Al)As-GaAs-AlAs-(Ga, Al)As quantum well taking into account the Γ-X coupling. The position of the Γ and X quantum well levels is monitored by applying an external electric field. Near the degeneracy, the coupling plays an important role mixing the Γ and X levels. As a consequence, the exciton in-plane mass presents a significant non-parabolicity as its values change from a Γ-reduced mass to a X-reduced mass. © 1995 Società Italiana di Fisica.
Editor: Kluwer Academic Publishers
Rights: fechado
Identifier DOI: 10.1007/BF02457262
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-51249167634&partnerID=40&md5=8e44eb786bcb408c18fcd4bcb110988f
Date Issue: 1995
Appears in Collections:Unicamp - Artigos e Outros Documentos

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