Quantum nonlocality without entanglement in a pair of qubits

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dc.creatorKoashi, Masato
dc.creatorTakenaga, Fumitaka
dc.creatorYamamoto, Takashi
dc.creatorImoto, Nobuyuki
dc.date2007-09-20
dc.date.accessioned2026-07-07T08:31:04Z
dc.date.available2026-07-07T08:31:04Z
dc.descriptionWe consider unambiguous discrimination of two separable bipartite states, one being pure and the other being a rank-2 mixed state. There is a gap between the optimal success probability under global measurements and the one achieved by generalized measurements with separable measurement operators. We show that even the latter success probability cannot be achieved via local operations and classical communication, leaving a nonzero gap in between.
dc.description4 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/0709.3196
dc.identifierhttp://arxiv.org/abs/0709.3196
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/138405
dc.subjectQuantum Physics
dc.titleQuantum nonlocality without entanglement in a pair of qubits
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