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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/6181
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dc.contributor.authorYadav, Preeti-
dc.contributor.authorSrikanth, R.-
dc.contributor.authorPathak, A.-
dc.date.accessioned2015-02-23T12:23:29Z-
dc.date.available2015-02-23T12:23:29Z-
dc.date.issued2014-12-
dc.identifier.citationQuantum Information processing, 2014, Vol.13, p2731-2743en
dc.identifier.issn1570-0755-
dc.identifier.issn1573-1332 (Online)-
dc.identifier.urihttp://hdl.handle.net/2289/6181-
dc.descriptionRestricted Access. An open-access version is available at arXiv.org (one of the alternative locations)en
dc.description.abstractThe Goldenberg–Vaidman (GV) protocol for quantum key distribution uses orthogonal encoding states of a particle. Its security arises because operations accessible to Eve are insufficient to distinguish the two states encoding the secret bit. We propose a two-particle cryptographic protocol for quantum secure direct communication, wherein orthogonal states encode the secret, and security arises from restricting Eve from accessing any two-particle operations. However, there is a non-trivial difference between the two cases. While the encoding states are perfectly indistinguishable in GV, they are partially distinguishable in the bipartite case, leading to a qualitatively different kind of information-versus-disturbance trade-off and also options for Eve in the two cases.en
dc.language.isoenen
dc.publisherSpringeren
dc.relation.urihttp://arxiv.org/abs/1209.4304en
dc.relation.urihttp://dx.doi.org/10.1007/s11128-014-0825-8en
dc.relation.urihttp://adsabs.harvard.edu/abs/2012arXiv1209.4304Yen
dc.rights2014 Springer Science+Business Media, LLCen
dc.subjectOrthogonal-state-based quantumen
dc.titleTwo-step orthogonal-state-based protocol of quantum secure direct communication with the help of order-rearrangement techniqueen
dc.typeArticleen
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