Secret quantum communication of a reference frame

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dc.creatorChiribella, Giulio
dc.creatorMaccone, Lorenzo
dc.creatorPerinotti, Paolo
dc.date2006-08-04
dc.date2008-10-22
dc.date.accessioned2026-07-07T10:12:14Z
dc.date.available2026-07-07T10:12:14Z
dc.descriptionWe propose quantum cryptographic protocols to secretly communicate a reference frame- unspeakable information in the sense it cannot be encoded into a string of bits. Two distant parties can secretly align their Cartesian axes by exchanging N spin 1/2 particles, achieving the optimal accuracy 1/N. A possible eavesdropper cannot gain any information without being detected.
dc.description4 pages, no figures; published version
dc.identifierhttps://arxiv.org/abs/quant-ph/0608042
dc.identifierhttp://arxiv.org/abs/quant-ph/0608042
dc.identifierPhys. Phys, Rev. Lett. 98, 120501 (2007)
dc.identifierdoi:10.1103/PhysRevLett.98.120501
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/172115
dc.subjectQuantum Physics
dc.titleSecret quantum communication of a reference frame
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