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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|
|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.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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