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Título : A variational method for the description of the pressure-induced image mixing in GaAs-based quantum wells
Autor : Mora Ramos, Miguel Eduardo
López Ríos, Sonia Yaneth
Duque Echeverri, Carlos Alberto
metadata.dc.subject.*: Γ–X mixing
GaAs quantum wells
Hydrostatic pressure
Fecha de publicación : 2008
Editorial : Elsevier BV, North-Holland
Citación : Mora Ramos, M. E., López Ríos, S. Y. & Duque Echeverri, C. A. (2008). A variational method for the description of the pressure-induced image mixing in GaAs-based quantum wells. Physica E: Low-dimensional Systems and Nanostructures, 40(5), 1212 - 1213.
Resumen : ABSTARCT: The mixing between Γ and X conduction band valleys in GaAs–Ga1-xAlxAs quantum wells is investigated along the lines of a variational model. Trial wavefunctions are depending on a weighting variational parameter that accounts for the mixing by acting as a coefficient in the combination of both uncorrelated Γ and X states in the system. The dependencies of the calculated binding energy of a donor impurity and the correlated electron–hole photoluminescence peak energy upon hydrostatic pressure and quantum well width are presented.
metadata.dc.identifier.eissn: 1873-1759
ISSN : 1386-9477
metadata.dc.identifier.doi: 10.1016/j.physe.2007.08.035
Aparece en las colecciones: CIEP (Centro de Investigaciones Educativas y Pedagógicas)

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