Entanglement in disordered superfluids: The impact of density, interaction and harmonic confinement on the Superconductor-Insulator transition

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (Unesp)-
Autor(es): dc.creatorCanella, G. A. [UNESP]-
Autor(es): dc.creatorFranca, V. V. [UNESP]-
Data de aceite: dc.date.accessioned2022-02-22T00:05:29Z-
Data de disponibilização: dc.date.available2022-02-22T00:05:29Z-
Data de envio: dc.date.issued2020-12-09-
Data de envio: dc.date.issued2020-12-09-
Data de envio: dc.date.issued2020-05-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.physa.2019.123646-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/195320-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/195320-
Descrição: dc.descriptionWe investigate the influence of density, interaction and harmonic confinement on the superfluid to insulator transition (SIT) in disordered fermionic superfluids described by the one-dimensional Hubbard model. We quantify the ground-state single-site entanglement via density-functional theory calculations of the linear entropy. We analyze the critical concentration C-C at which the fully-localized state - a special type of localization, with null entanglement - emerges. We find that C-C is independent on the interaction, but demands a minimum disorder strength to occur. We then derive analytic relations for C-C as a function of the average particle density for attractive and repulsive disorder. Our results reveal that weak harmonic confinement does not impact the properties of the fully-localized state, which occurs at the same C-C, but stronger confinements may lead the system from the fully-localized state to the ordinary localization. (C) 2019 Elsevier B.V. All rights reserved.-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionSao Paulo State Univ, Inst Chem, BR-14800060 Sao Paulo, SP, Brazil-
Descrição: dc.descriptionSao Paulo State Univ, Inst Chem, BR-14800060 Sao Paulo, SP, Brazil-
Descrição: dc.descriptionFAPESP: 13/15982-3-
Descrição: dc.descriptionCAPES: 001-
Formato: dc.format8-
Idioma: dc.languageen-
Publicador: dc.publisherElsevier B.V.-
Relação: dc.relationPhysica A-statistical Mechanics And Its Applications-
???dc.source???: dc.sourceWeb of Science-
Palavras-chave: dc.subjectDisordered systems-
Palavras-chave: dc.subjectLocalization-
Palavras-chave: dc.subjectSuperfluidity-
Palavras-chave: dc.subjectQuantum phase transitions-
Palavras-chave: dc.subjectEntanglement-
Palavras-chave: dc.subjectDensity-functional theory calculations-
Título: dc.titleEntanglement in disordered superfluids: The impact of density, interaction and harmonic confinement on the Superconductor-Insulator transition-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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