SEMICLASSICAL THEORY OF MAGNETIZATION FOR A 2-DIMENSIONAL NONINTERACTING ELECTRON-GAS

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorPrado, S. D.-
Autor(es): dc.creatorDeaguiar, MAM-
Autor(es): dc.creatorKeating, J. P.-
Autor(es): dc.creatorDecarvalho, R. E.-
Data: dc.date2014-05-20T15:26:32Z-
Data: dc.date2014-05-20T15:26:32Z-
Data: dc.date1994-09-21-
Data de aceite: dc.date.accessioned2014-11-17T18:37:51Z-
Data de disponibilização: dc.date.available2014-11-17T18:37:51Z-
Data de envio: dc.date.issued2014-11-17-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1088/0305-4470/27/18/018-
Fonte completa do material: dc.identifierJournal of Physics A-mathematical and General. Bristol: Iop Publishing Ltd, v. 27, n. 18, p. 6091-6106, 1994.-
Fonte completa do material: dc.identifier0305-4470-
Fonte completa do material: dc.identifierhttp://base.repositorio.unesp.br/handle/11449/36691-
Fonte completa do material: dc.identifier10.1088/0305-4470/27/18/018-
Fonte completa do material: dc.identifierWOS:A1994PJ65000018-
Fonte: dc.identifier.urihttp://www.educapes.capes.gov.br/handle/capes/62092-
Fonte: dc.identifier.urihttp://www.educapes.capes.gov.br/handlecapes/62092-
Descrição: dc.descriptionWe compute the semiclassical magnetization and susceptibility of non-interacting electrons, confined by a smooth two-dimensional potential and subjected to a uniform perpendicular magnetic field, in the general case when their classical motion is chaotic. It is demonstrated that the magnetization per particle m(B) is directly related to the staircase function N(E), which counts the single-particle levels up to energy E. Using Gutzwiller's trace formula for N, we derive a semiclassical expression for m. Our results show that the magnetization has a non-zero average, which arises from quantum corrections to the leading-order Weyl approximation to the mean staircase and which is independent of whether the classical motion is chaotic or not. Fluctuations about the average are due to classical periodic orbits and do represent a signature of chaos. This behaviour is confirmed by numerical computations for a specific system.-
Formato: dc.format6091-6106-
Idioma: dc.languageeng-
Publicador: dc.publisherIop Publishing Ltd-
Relação: dc.relationJournal of Physics A-mathematical and General-
Direitos: dc.rightsclosedAccess-
Título: dc.titleSEMICLASSICAL THEORY OF MAGNETIZATION FOR A 2-DIMENSIONAL NONINTERACTING ELECTRON-GAS-
Tipo de arquivo: dc.typeoutro-
Aparece nas coleções:Repositório Institucional - Unesp

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