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Type: Artigo de periódico
Title: Self-similarity and anti-self-similarity of the effective Lande g(perpendicular to) factor in GaAs-(Ga,Al)As Fibonacci superlattices under in-plane magnetic fields
Author: Reyes-Gomez, E
Perdomo-Leiva, CA
de Dios-Leyva, M
Oliveira, LE
Abstract: A theoretical study of the effects of in-plane magnetic fields on the Lande g(perpendicular to) factor associated to conduction electrons in GaAs-(Ga,Al)As Fibonacci superlattices is presented. We have used the Ogg-McCombe effective Hamiltonian, which includes nonparabolic and anisotropy effects, in order to describe the electron states in the Fibonacci heterostructure. We have expanded the corresponding electron envelope wave functions in terms of harmonic-oscillator wave functions, and obtained the Lande g(perpendicular to) factor for magnetic fields related by even powers of the golden mean tau=(1+root 5)/2. Theoretical results for GaAs-(Ga,Al)As Fibonacci superlattices, under magnetic-field values scaled by tau(2n), clearly exhibit a self-similar (for even n) or anti-self-similar (for odd n) behavior for the Lande g(perpendicular to) factors, as appropriate.
Country: EUA
Editor: Amer Physical Soc
Citation: Physical Review B. Amer Physical Soc, v. 74, n. 3, 2006.
Rights: aberto
Identifier DOI: 10.1103/PhysRevB.74.033314
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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