Factorization and criticality in finite XXZ systems of arbitrary spin

cic.isFulltexttruees
cic.isPeerReviewedtruees
cic.lugarDesarrolloUniversidad Nacional de La Plataes
cic.versioninfo:eu-repo/semantics/submittedVersiones
dc.date.accessioned2019-05-20T13:26:21Z
dc.date.available2019-05-20T13:26:21Z
dc.identifier.urihttps://digital.cic.gba.gob.ar/handle/11746/9989
dc.titleFactorization and criticality in finite XXZ systems of arbitrary spinen
dc.typeArtículoes
dcterms.abstractWe analyze ground state (GS) factorization in general arrays of spinss_iwithXXZcouplings immersed in nonuniform fields. It is shown that an exceptionally degenerate set of completely separable symmetry-breaking GS's can arise for a wide range of field configurations, at a quantum critical point where all GS magnetization plateaus merge. Such configurations include alternating fields as well as zero bulk field solutions with edge fields only and intermediate solutions with zero field at specific sites, valid ford-dimensional arrays. The definite magnetization projected GS's at factorization can be analytically determined and depend only on the exchange anisotropies, exhibiting critical entanglement properties. We also show that some factorization compatible field configurations may result in field-induced frustration and nontrivial behavior at strong fields.en
dcterms.creator.authorCerezo de la Roca, Marco Vinicio Sebastiánes
dcterms.creator.authorRossignoli, Raúl Dantees
dcterms.creator.authorCanosa, Norma B.es
dcterms.creator.authorRios, E.es
dcterms.extent10 p.es
dcterms.identifier.otherDOI:10.1103/PhysRevLett.119.220605es
dcterms.identifier.urlRecurso Completoes
dcterms.isPartOf.issuevol. 119es
dcterms.isPartOf.seriesPhysical Review Letterses
dcterms.issued2017-12-01
dcterms.languageIngléses
dcterms.licenseAttribution-NonCommercial-NoDerivatives 4.0 Internacionales
dcterms.subjectQuantum spin chainsen
dcterms.subjectquantum critical pointsen
dcterms.subjectFactorizationen
dcterms.subject.materiaCiencias Físicases

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