Optimal phase estimation for qubit mixed states

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dc.creatorD'Ariano, Giacomo Mauro
dc.creatorMacchiavello, Chiara
dc.creatorPerinotti, Paolo
dc.date2004-11-18
dc.date2005-08-25
dc.date.accessioned2026-07-07T07:52:56Z
dc.date.available2026-07-07T07:52:56Z
dc.descriptionWe address the problem of optimal estimation of the relative phase for two-dimensional quantum systems in mixed states. In particular, we derive the optimal measurement procedures for an arbitrary number of qubits prepared in the same mixed state.
dc.descriptionrevised version accepted for publication
dc.identifierhttps://arxiv.org/abs/quant-ph/0411133
dc.identifierhttp://arxiv.org/abs/quant-ph/0411133
dc.identifierPhys. Rev. A 72 042327 (2005)
dc.identifierdoi:10.1103/PhysRevA.72.042327
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/126062
dc.subjectQuantum Physics
dc.titleOptimal phase estimation for qubit mixed states
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