No-signaling quantum key distribution: solution by linear programming

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dc.contributor.authorHwang, Won-Youngko
dc.contributor.authorBae, Joonwooko
dc.contributor.authorKilloran, Nathanko
dc.date.accessioned2018-07-24T02:41:59Z-
dc.date.available2018-07-24T02:41:59Z-
dc.date.created2018-07-09-
dc.date.created2018-07-09-
dc.date.issued2015-02-
dc.identifier.citationQUANTUM INFORMATION PROCESSING, v.14, no.2, pp.687 - 696-
dc.identifier.issn1570-0755-
dc.identifier.urihttp://hdl.handle.net/10203/244354-
dc.description.abstractWe outline a straightforward approach for obtaining a secret key rate using only no-signaling constraints and linear programming. Assuming an individual attack, we consider all possible joint probabilities. Initially, we study only the case where Eve has binary outcomes, and we impose constraints due to the no-signaling principle and given measurement outcomes. Within the remaining space of joint probabilities, by using linear programming, we get bound on the probability of Eve correctly guessing Bob's bit. We then make use of an inequality that relates this guessing probability to the mutual information between Bob and a more general Eve, who is not binary-restricted. Putting our computed bound together with the Csiszar-Korner formula, we obtain a positive key generation rate. The optimal value of this rate agrees with known results, but was calculated in a more straightforward way, offering the potential of generalization to different scenarios.-
dc.languageEnglish-
dc.publisherSPRINGER-
dc.titleNo-signaling quantum key distribution: solution by linear programming-
dc.typeArticle-
dc.identifier.wosid000349022800018-
dc.identifier.scopusid2-s2.0-84925498223-
dc.type.rimsART-
dc.citation.volume14-
dc.citation.issue2-
dc.citation.beginningpage687-
dc.citation.endingpage696-
dc.citation.publicationnameQUANTUM INFORMATION PROCESSING-
dc.identifier.doi10.1007/s11128-014-0880-1-
dc.contributor.localauthorBae, Joonwoo-
dc.contributor.nonIdAuthorHwang, Won-Young-
dc.contributor.nonIdAuthorKilloran, Nathan-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorNo-signaling principle-
dc.subject.keywordAuthorQuantum key distribution-
dc.subject.keywordAuthorLinear programming-
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