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dc.contributor.author
Miravet Martinez, Daniel
dc.contributor.author
Proetto, Cesar Ramon
dc.date.available
2020-01-10T21:43:00Z
dc.date.issued
2018-06
dc.identifier.citation
Miravet Martinez, Daniel; Proetto, Cesar Ramon; Exact-exchange density functional theory of the integer quantum Hall effect: strict 2D limit; Springer; European Physical Journal B - Condensed Matter; 91; 6; 6-2018; 1-10
dc.identifier.issn
1434-6028
dc.identifier.uri
http://hdl.handle.net/11336/94439
dc.description.abstract
A strict bidimensional (strict-2D) exact-exchange (EE) formalism within the framework of density-functional theory (DFT) has been developed and applied to the case of an electron gas subjected to a strong perpendicular magnetic field, that drives the system to the regime of the integer quantum Hall effect (IQHE). As the filling of the emerging Landau levels proceeds, two main features results: i) the EE energy minimizes with a discontinuous derivative at every integer filling factor ν; and ii) the EE potential display sharp discontinuities at every integer ν. The present contribution provides a natural improvement as compared with the widely used local-spin-density approximation (LSDA), since the EE energy functional fully contains the effect of the magnetic field, and includes an inter-layer exchange coupling for multilayer systems. As a consistency test, the LSDA is derived as the leading term of a low-field expansion of the EE energy and potential.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Density functional theory, local density approximation, gradient and other corrections
dc.subject
Quantum Hall effects
dc.subject.classification
Física de los Materiales Condensados
dc.subject.classification
Ciencias Físicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Exact-exchange density functional theory of the integer quantum Hall effect: strict 2D limit
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-10-15T17:56:38Z
dc.journal.volume
91
dc.journal.number
6
dc.journal.pagination
1-10
dc.journal.pais
Alemania
dc.journal.ciudad
Berlin
dc.description.fil
Fil: Miravet Martinez, Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina
dc.description.fil
Fil: Proetto, Cesar Ramon. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina
dc.journal.title
European Physical Journal B - Condensed Matter
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1140/epjb/e2018-90140-7
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1140%2Fepjb%2Fe2018-90140-7
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