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Optimal estimation of two-qubit pure-state entanglement

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dc.contributor.authorAcín dal Maschio, Antoniocat
dc.contributor.authorTarrach, R., 1948-cat
dc.contributor.authorVidal Bonafont, Guifrécat
dc.date.accessioned2009-10-06T09:41:29Z
dc.date.available2009-10-06T09:41:29Z
dc.date.issued2000cat
dc.description.abstractWe present optimal measuring strategies for an estimation of the entanglement of unknown two-qubit pure states and of the degree of mixing of unknown single-qubit mixed states, of which N identical copies are available. The most general measuring strategies are considered in both situations, to conclude in the first case that a local, although collective, measurement suffices to estimate entanglement, a nonlocal property, optimally.eng
dc.format.extent8 p.cat
dc.format.mimetypeapplication/pdfeng
dc.identifier.idgrec189681cat
dc.identifier.issn1050-2947cat
dc.identifier.urihttps://hdl.handle.net/2445/9563
dc.language.isoengeng
dc.publisherThe American Physical Societyeng
dc.relation.isformatofReproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevA.61.062307cat
dc.relation.ispartofPhysical Review A, 2000, vol. 61, núm. 6, p. 062307.eng
dc.relation.urihttp://dx.doi.org/10.1103/PhysRevA.61.062307
dc.rights(c) The American Physical Society, 2000
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.sourceArticles publicats en revistes (Física Quàntica i Astrofísica)
dc.subject.classificationTeoria de la informaciócat
dc.subject.classificationTeoria quànticacat
dc.subject.otherInformation theoryeng
dc.subject.otherQuantum theoryeng
dc.titleOptimal estimation of two-qubit pure-state entanglementeng
dc.typeinfo:eu-repo/semantics/articleeng
dc.typeinfo:eu-repo/semantics/publishedVersion

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