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Type: Artigo de evento
Title: Hydrostatic Pressure And Magnetic Field Effects On The Exciton States In Vertically Coupled Gaas-(ga, Al) As Quantum Dots
Author: Mora-Ramos M.E.
Rodriguez A.H.
Lopez S.Y.
Duque C.A.
Abstract: The variational procedure, in the effective-mass and parabolic-band approximations, is used in order to investigate the combined effects of hydrostatic pressure and in-planedirection-applied magnetic field on the exciton states in vertically coupled GaAs-(Ga,Al) As quantum dots. Calculations are performed for two cylindrical-shape quantum dots. The exciton envelope wave function is obtained through a variational procedure using a hydrogenic 1 s-like wave function and an expansion in a complete set of trigonometric functions for the electron and hole wave functions. The anticrossing effects on the dispersion with applied magnetic field and hydrostatic pressure of the photoluminescence peaks associated with direct and indirect excitons have been considered.
Editor: Electromagnetics Academy
Rights: fechado
Identifier DOI: 
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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