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dc.creatorLima, Anderson Alves de-
dc.creatorFilgueiras, Cleverson-
dc.date.accessioned2017-07-17T19:17:02Z-
dc.date.available2017-07-17T19:17:02Z-
dc.date.issued2012-12-
dc.identifier.citationLIMA, A. A. de; FILGUEIRAS, C. Integer quantum hall effect on an interface with disclinations. The European Physical Journal B, Les Ulis, v. 85, n. 401, Dec. 2012.pt_BR
dc.identifier.urihttps://link.springer.com/article/10.1140/epjb/e2012-30766-9pt_BR
dc.identifier.urihttp://repositorio.ufla.br/jspui/handle/1/13381-
dc.description.abstractThe Hall conductivity of an electron gas on an interface showing topological defects as disclinations in the presence of an orthogonal constant magnetic field is investigated. This kind of defect induces either positive or negative singular curvature in the medium. It is shown that the positive curvature decreases the quantum Hall plateau widths and shifts the steps in the Hall conductivity to lower magnetic fields. In contrast, the negative one leaves to the existence of two types of plateaus, one with higher widths and the other one with lower widths in comparison to the flat case. In this case, the shift in the steps of the Hall conductivity goes to higher magnetic fields. We also investigate the Hall conductivity for electrons around a cylindrically symmetric distribution of disclinations and it turns out that it is the same as that corresponding to a single effective disclination.pt_BR
dc.languageen_USpt_BR
dc.publisherEDP Sciencespt_BR
dc.rightsrestrictAccesspt_BR
dc.sourceThe European Physical Journal Bpt_BR
dc.subjectMesoscopicpt_BR
dc.subjectNanoscale Systemspt_BR
dc.titleInteger quantum hall effect on an interface with disclinationspt_BR
dc.typeArtigopt_BR
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