Complementarity, distillable secret key, and distillable entanglement

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dc.creatorKoashi, Masato
dc.date2007-04-27
dc.date.accessioned2026-07-07T07:58:33Z
dc.date.available2026-07-07T07:58:33Z
dc.descriptionWe consider controllability of two conjugate observables Z and X by two parties with classical communication. The ability is specified by two alternative tasks, (i) agreement on Z and (ii) preparation of an eigenstate of X with use of an extra communication channel. We prove that their feasibility is equivalent to that of key distillation if the extra channel is quantum, and to that of entanglement distillation if it is classical. This clarifies the distinction between two entanglement measures, distillable key and distillable entanglement.
dc.description4 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/0704.3661
dc.identifierhttp://arxiv.org/abs/0704.3661
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/128045
dc.subjectQuantum Physics
dc.titleComplementarity, distillable secret key, and distillable entanglement
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