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Quantum phase transitions and localization in semigroup Fredkin spin chain

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dc.contributor.authorPramod Padmanabhan-
dc.contributor.authorFumihiko Sugino-
dc.contributor.authorKorepin V.-
dc.date.available2019-05-02T08:08:13Z-
dc.date.created2019-02-18-
dc.date.issued2019-03-
dc.identifier.issn1570-0755-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/5682-
dc.description.abstractWe construct an extended quantum spin chain model by introducing new degrees of freedom to the Fredkin spin chain. The new degrees of freedom called arrow indices are partly associated with the symmetric inverse semigroup S13. Ground states of the model fall into three different phases, and quantum phase transition takes place at each phase boundary. One of the phases exhibits logarithmic violation of the area law of entanglement entropy and quantum criticality, whereas the other two obey the area law. As an interesting feature arising by the extension, there are excited states due to disconnections with respect to the arrow indices. We show that these states are localized without disorder. © 2019, Springer Science+Business Media, LLC, part of Springer Nature-
dc.language영어-
dc.publisherSPRINGER-
dc.titleQuantum phase transitions and localization in semigroup Fredkin spin chain-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000456671000005-
dc.identifier.scopusid2-s2.0-85061190584-
dc.identifier.rimsid67010-
dc.contributor.affiliatedAuthorPramod Padmanabhan-
dc.contributor.affiliatedAuthorFumihiko Sugino-
dc.identifier.doi10.1007/s11128-019-2180-2-
dc.identifier.bibliographicCitationQUANTUM INFORMATION PROCESSING, v.18, no.3, pp.69-
dc.relation.isPartOfQUANTUM INFORMATION PROCESSING-
dc.citation.titleQUANTUM INFORMATION PROCESSING-
dc.citation.volume18-
dc.citation.number3-
dc.citation.startPage69-
dc.description.journalClass1-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.subject.keywordAuthorEntanglement entropy-
dc.subject.keywordAuthorLocalization-
dc.subject.keywordAuthorQuantum statistical physics-
Appears in Collections:
Center for Theoretical Physics of Complex Systems(복잡계 이론물리 연구단) > 1. Journal Papers (저널논문)
Center for Fundamental Theory(순수물리이론 연구단) > 1. Journal Papers (저널논문)
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