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Type: Artigo de periódico
Title: Hydrostatic Pressure And Growth-direction Magnetic Field Effects On The Exciton States In Coupled Gaas-(ga, Al)as Quantum Wells
Author: Raigoza N.
Reyes-Gomez E.
Duque C.A.
Oliveira L.E.
Abstract: The effects of hydrostatic pressure and growth-direction applied magnetic fields on the exciton dispersion and in-plane effective mass in coupled GaAs-(Ga, Al)As quantum wells are investigated. Calculations for spatially direct and indirect excitons were performed within the variational procedure in the effective-mass and nondegenerate parabolic band approximations and by taking into account the coupling between the exciton centre-of-mass momentum and its internal structure. The pressure coefficient is also obtained as a function of both the hydrostatic pressure and growth-direction applied magnetic field. © IOP Publishing Ltd.
Citation: Journal Of Physics Condensed Matter. , v. 19, n. 25, p. - , 2007.
Rights: fechado
Identifier DOI: 10.1088/0953-8984/19/25/256202
Date Issue: 2007
Appears in Collections:Unicamp - Artigos e Outros Documentos

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