Global information balance in quantum measurements

dc.creatorBuscemi, Francesco
dc.creatorHayashi, Masahito
dc.creatorHorodecki, Michal
dc.date2007-02-16
dc.date2008-05-09
dc.date.accessioned2026-07-07T09:43:26Z
dc.date.available2026-07-07T09:43:26Z
dc.descriptionWe perform an information-theoretical analysis of quantum measurement processes and obtain the global information balance in quantum measurements, in the form of a closed chain equation for quantum mutual entropies. Our balance provides a tight and general entropic information-disturbance trade-off, and explains the physical mechanism underlying it. Finally, the single-outcome case, that is, the case of measurements with post-selection, is briefly discussed.
dc.descriptionFinal version to appear on Physical Review Letters
dc.identifierhttps://arxiv.org/abs/quant-ph/0702166
dc.identifierhttp://arxiv.org/abs/quant-ph/0702166
dc.identifierPhys. Rev. Lett. 100, 210504 (2008)
dc.identifierdoi:10.1103/PhysRevLett.100.210504
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/162560
dc.subjectQuantum Physics
dc.titleGlobal information balance in quantum measurements
dc.typetext

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