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Type: Artigo de periódico
Title: Finite Size Effects On Antidots Array In The Presence Of Magnetic Field
Author: Alves R.R.
Andrade Neto M.A.
Schulz P.A.
Abstract: In this work we discuss the size effects on a small array of antidots under a perpendicular a magnetic field within the framework of a tight-binding model. The coupling of bulk and edge states can be tuned by the magnetic field, as well as by independent eletrostatic modulation of the "bulk" and "surface" of the system. Variation on these parameters raises two types of edge states for the finite lateral superlattice: i) bona fide edge states confined at the surface with tunable coupling to the bulk, and ii) edge states in the internal structure of the bulk self-similar spectra, known as Hofstadter Butterflies.
Rights: fechado
Identifier DOI: 
Date Issue: 1997
Appears in Collections:Unicamp - Artigos e Outros Documentos

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