Structural approximations to positive maps and entanglement-breaking channels

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dc.contributor.authorKorbicz, J. K.ko
dc.contributor.authorAlmeida, M. L.ko
dc.contributor.authorBae, Joonwooko
dc.contributor.authorLewenstein, M.ko
dc.contributor.authorAcin, A.ko
dc.date.accessioned2018-07-24T02:47:29Z-
dc.date.available2018-07-24T02:47:29Z-
dc.date.created2018-07-09-
dc.date.created2018-07-09-
dc.date.issued2008-12-
dc.identifier.citationPHYSICAL REVIEW A, v.78, no.6-
dc.identifier.issn1050-2947-
dc.identifier.urihttp://hdl.handle.net/10203/244385-
dc.description.abstractStructural approximations to positive, but not completely positive maps are approximate physical realizations of these nonphysical maps. They find applications in the design of direct entanglement-detection methods. We show that many of these approximations, in the relevant case of optimal positive maps, define an entanglement breaking channel and, consequently, can be implemented via a measurement and state-preparation protocol. We also show how our findings can be useful for the design of better and simpler direct entanglement detection methods.-
dc.languageEnglish-
dc.publisherAMER PHYSICAL SOC-
dc.titleStructural approximations to positive maps and entanglement-breaking channels-
dc.typeArticle-
dc.identifier.wosid000262242400029-
dc.identifier.scopusid2-s2.0-57649136859-
dc.type.rimsART-
dc.citation.volume78-
dc.citation.issue6-
dc.citation.publicationnamePHYSICAL REVIEW A-
dc.identifier.doi10.1103/PhysRevA.78.062105-
dc.contributor.localauthorBae, Joonwoo-
dc.contributor.nonIdAuthorKorbicz, J. K.-
dc.contributor.nonIdAuthorAlmeida, M. L.-
dc.contributor.nonIdAuthorLewenstein, M.-
dc.contributor.nonIdAuthorAcin, A.-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
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