Fidelities for transformations of unknown quantum states

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dc.creatorMadsen, Lars Bojer
dc.creatorMolmer, Klaus
dc.date2005-12-01
dc.date2006-03-10
dc.date.accessioned2026-07-07T06:56:30Z
dc.date.available2026-07-07T06:56:30Z
dc.descriptionWe present a general theoretical formalism to compute the fidelity of transformations of unknown quantum states. We then focus on the case of Gaussian transformations of continuous variable quantum systems, where, for the case of a Gaussian distribution of displaced coherent states, the theory is readily tractable by a covariance matrix formalism. We present analytical results for recently implemented teleportation and memory storage protocols for continuous variables.
dc.description8 pages, no figures, accepted for publication In Phys. Rev. A
dc.identifierhttps://arxiv.org/abs/quant-ph/0512005
dc.identifierhttp://arxiv.org/abs/quant-ph/0512005
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/106660
dc.subjectQuantum Physics
dc.titleFidelities for transformations of unknown quantum states
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