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dc.contributor.authorUsha Devi, A.R.-
dc.contributor.authorRajagopal, A.K.-
dc.contributor.authorSudha-
dc.contributor.authorKarthik, H.S.-
dc.contributor.authorTej, Prabhu J.-
dc.date.accessioned2014-08-25T11:54:37Z-
dc.date.available2014-08-25T11:54:37Z-
dc.date.issued2013-12-
dc.identifier.citationQuantum information processing, 2013, Vol.12, p3717-3723en
dc.identifier.issn1570-0755-
dc.identifier.issn1573-1332 (Online)-
dc.identifier.urihttp://hdl.handle.net/2289/5954-
dc.descriptionRestricted Access. An open-access version is available at arXiv.org (one of the alternative locations)en
dc.description.abstractClassical and quantum world views differ in peculiar ways. Understanding decisive quantum features—for which no classical explanation exist—and their interrelations is of foundational interest. Moreover, recognizing non-classical features carries practical significance in information processing tasks as it offers insights as to why quantum protocols work better than their classical counterparts. We focus here on two celebrated notions of non-classicality viz., negativity of P phase–space representation and entanglement in symmetric multiqubit systems. We prove that they imply each other.en
dc.language.isoenen
dc.publisherSpringeren
dc.relation.urihttp://arxiv.org/abs/1306.2825en
dc.relation.urihttp://dx.doi.org/10.1007/s11128-013-0627-4en
dc.rights2013 Springer Science+Business Mediaen
dc.subjectNon-classicalityen
dc.subjectSeparabilityen
dc.subjectQuantum entanglementen
dc.subjectPhase space representationen
dc.subjectSymmetric multiqubit statesen
dc.titleEquivalence of classicality and separability based on P phase–space representation of symmetric multiqubit statesen
dc.typeArticleen
Appears in Collections:Research Papers (LAMP)

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