Flat-band localization in the Anderson-Falicov-Kimball model

Detalhes bibliográficos
Autor(a) principal: Souza, André Maurício Conceição de
Data de Publicação: 2009
Outros Autores: Herrmann, Hans Jürgen
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFS
Texto Completo: https://ri.ufs.br/handle/riufs/471
Resumo: The insulator-metal-insulator transition caused by a flatband is analyzed within dynamical mean-field theory using the Anderson-Falicov-Kimball model. We observe quantitative disagreement between the present approach and previous results. The presence of interactions enhances delocalization.
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spelling Souza, André Maurício Conceição deHerrmann, Hans Jürgen2013-04-18T20:30:22Z2013-04-18T20:30:22Z2009-04SOUZA, A. M. C. ; HERRMANN, H. J. Flat-band localization in the Anderson-Falicov-Kimball model. Physical Review. B, New York, v. 79, n. 15, abr. 2009. Disponível em: <http://link.aps.org/doi/10.1103/PhysRevB.79.153104>. Acesso em: 18 abr. 2013.1550-235Xhttps://ri.ufs.br/handle/riufs/471© 2009 The American Physical SocietyThe insulator-metal-insulator transition caused by a flatband is analyzed within dynamical mean-field theory using the Anderson-Falicov-Kimball model. We observe quantitative disagreement between the present approach and previous results. The presence of interactions enhances delocalization.American Physical SocietyModelo de Falicov-KimballFlat-band localization in the Anderson-Falicov-Kimball modelinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleengreponame:Repositório Institucional da UFSinstname:Universidade Federal de Sergipe (UFS)instacron:UFSinfo:eu-repo/semantics/openAccessTHUMBNAILFlatBandLocalization.pdf.jpgFlatBandLocalization.pdf.jpgGenerated Thumbnailimage/jpeg1685https://ri.ufs.br/jspui/bitstream/riufs/471/4/FlatBandLocalization.pdf.jpg02d3c0c46298df82dcd8a239ad725868MD54ORIGINALFlatBandLocalization.pdfFlatBandLocalization.pdfapplication/pdf272731https://ri.ufs.br/jspui/bitstream/riufs/471/1/FlatBandLocalization.pdf577cf97bfbf1eaccef9dc0b1a43bf5feMD51LICENSElicense.txtlicense.txttext/plain; charset=utf-81748https://ri.ufs.br/jspui/bitstream/riufs/471/2/license.txt8a4605be74aa9ea9d79846c1fba20a33MD52TEXTFlatBandLocalization.pdf.txtFlatBandLocalization.pdf.txtExtracted texttext/plain17166https://ri.ufs.br/jspui/bitstream/riufs/471/3/FlatBandLocalization.pdf.txt30f6be11f9cafdb5752ef39d14081c01MD53riufs/4712013-04-19 02:00:08.528oai:ufs.br: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Repositório InstitucionalPUBhttps://ri.ufs.br/oai/requestrepositorio@academico.ufs.bropendoar:2013-04-19T05:00:08Repositório Institucional da UFS - Universidade Federal de Sergipe (UFS)false
dc.title.pt_BR.fl_str_mv Flat-band localization in the Anderson-Falicov-Kimball model
title Flat-band localization in the Anderson-Falicov-Kimball model
spellingShingle Flat-band localization in the Anderson-Falicov-Kimball model
Souza, André Maurício Conceição de
Modelo de Falicov-Kimball
title_short Flat-band localization in the Anderson-Falicov-Kimball model
title_full Flat-band localization in the Anderson-Falicov-Kimball model
title_fullStr Flat-band localization in the Anderson-Falicov-Kimball model
title_full_unstemmed Flat-band localization in the Anderson-Falicov-Kimball model
title_sort Flat-band localization in the Anderson-Falicov-Kimball model
author Souza, André Maurício Conceição de
author_facet Souza, André Maurício Conceição de
Herrmann, Hans Jürgen
author_role author
author2 Herrmann, Hans Jürgen
author2_role author
dc.contributor.author.fl_str_mv Souza, André Maurício Conceição de
Herrmann, Hans Jürgen
dc.subject.por.fl_str_mv Modelo de Falicov-Kimball
topic Modelo de Falicov-Kimball
description The insulator-metal-insulator transition caused by a flatband is analyzed within dynamical mean-field theory using the Anderson-Falicov-Kimball model. We observe quantitative disagreement between the present approach and previous results. The presence of interactions enhances delocalization.
publishDate 2009
dc.date.issued.fl_str_mv 2009-04
dc.date.accessioned.fl_str_mv 2013-04-18T20:30:22Z
dc.date.available.fl_str_mv 2013-04-18T20:30:22Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.citation.fl_str_mv SOUZA, A. M. C. ; HERRMANN, H. J. Flat-band localization in the Anderson-Falicov-Kimball model. Physical Review. B, New York, v. 79, n. 15, abr. 2009. Disponível em: <http://link.aps.org/doi/10.1103/PhysRevB.79.153104>. Acesso em: 18 abr. 2013.
dc.identifier.uri.fl_str_mv https://ri.ufs.br/handle/riufs/471
dc.identifier.issn.none.fl_str_mv 1550-235X
dc.identifier.license.pt_BR.fl_str_mv © 2009 The American Physical Society
identifier_str_mv SOUZA, A. M. C. ; HERRMANN, H. J. Flat-band localization in the Anderson-Falicov-Kimball model. Physical Review. B, New York, v. 79, n. 15, abr. 2009. Disponível em: <http://link.aps.org/doi/10.1103/PhysRevB.79.153104>. Acesso em: 18 abr. 2013.
1550-235X
© 2009 The American Physical Society
url https://ri.ufs.br/handle/riufs/471
dc.language.iso.fl_str_mv eng
language eng
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dc.publisher.none.fl_str_mv American Physical Society
publisher.none.fl_str_mv American Physical Society
dc.source.none.fl_str_mv reponame:Repositório Institucional da UFS
instname:Universidade Federal de Sergipe (UFS)
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reponame_str Repositório Institucional da UFS
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