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Please use this identifier to cite or link to this item: http://repositorio.ufla.br/jspui/handle/1/13419

Title: Geometry-induced quantum dots on surfaces with Gaussian bumps
???metadata.dc.creator???: Silva, Kamilla V. R. A.
Freitas, Cesar F. de
Filgueiras, Cleverson
Keywords: Mesoscopic and nanoscale systems
Gaussian bumps
Quantum dots
Sistemas mesoscópicos e em nanoescala
Pontos quânticos
Publisher: Springer
Issue Date: Apr-2013
Citation: SILVA, K. V. R. A.; FREITAS, C. F. de.; FILGUEIRAS, C. Geometry-induced quantum dots on surfaces with Gaussian bumps. The European Physical Journal B, Les Ulis, v. 86, n. 4, p. 1-5, Apr. 2013.
Abstract: In this work we investigate the two dimensional electron gas on surfaces showing Gaussian bumps. Due to confinement on two dimensional curved space, a geometry-induced potential appears. For surfaces showing single bumps, the geometrical potential gives rise to a geometry-induced quantum ring, as showed in a previous work. For surfaces with multiples bumps, the charge carries may be trapped around the center of these surfaces, which could gives rise to a geometry-induced quantum dot. Our results can be realized on bilayer graphene sheets and we hope that it would lead to new technics of building quantum dots.
URI: https://link.springer.com/article/10.1140/epjb/e2013-31075-7
???metadata.dc.language???: en_US
Appears in Collections:DFI - Artigos publicados em periódicos

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