The physics of no-bit-commitment : Generalized quantum non-locality versus oblivious transfer

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dc.creatorShort, Tony
dc.creatorGisin, Nicolas
dc.creatorPopescu, Sandu
dc.date2005-04-18
dc.date.accessioned2026-07-07T06:12:37Z
dc.date.available2026-07-07T06:12:37Z
dc.descriptionWe show here that the recent work of Wolf and Wullschleger (quant-ph/0502030) on oblivious transfer apparently opens the possibility that non-local correlations which are stronger than those in quantum mechanics could be used for bit-commitment. This is surprising, because it is the very existence of non-local correlations which in quantum mechanics prevents bit-commitment. We resolve this apparent paradox by stressing the difference between non-local correlations and oblivious transfer, based on the time-ordering of their inputs and outputs, which prevents bit-commitment.
dc.description4 pages, 1 figure
dc.identifierhttps://arxiv.org/abs/quant-ph/0504134
dc.identifierhttp://arxiv.org/abs/quant-ph/0504134
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/92840
dc.subjectQuantum Physics
dc.titleThe physics of no-bit-commitment : Generalized quantum non-locality versus oblivious transfer
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