Mixing and decoherence to nearest separable states in quantum measurements

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dc.creatorLahiri, Avijit
dc.date2007-05-05
dc.date2007-05-26
dc.date.accessioned2026-07-07T08:09:16Z
dc.date.available2026-07-07T08:09:16Z
dc.descriptionWe illustrate through numerical results a number of features of environment-induced decoherence under a broad class of apparatus-environment interactions in quantum measurements wherein the reduced system-apparatus density matrix evolves towards the nearest separable state and, in addition, there occurs a mixing in relevant groups of apparatus microstates (see below). The resulting final state is unique and correctly embodies the measurement statistics even in the absence of environment-induced superselection because of energy differences between these groups of states. The partial transpose remains non-positive throughout the process.
dc.description6 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/0705.0733
dc.identifierhttp://arxiv.org/abs/0705.0733
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/131489
dc.subjectQuantum Physics
dc.titleMixing and decoherence to nearest separable states in quantum measurements
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