Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/6410
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dc.contributor.authorReddy, Anirudh-
dc.contributor.authorSamuel, J.-
dc.contributor.authorShivam, Kumar-
dc.contributor.authorSinha, Supurna-
dc.date.accessioned2016-09-28T06:50:40Z-
dc.date.available2016-09-28T06:50:40Z-
dc.date.issued2016-03-
dc.identifier.citationPhysical Letters A, 2016, Vol.380, p1135-1140en_US
dc.identifier.issn0375-9601-
dc.identifier.urihttp://hdl.handle.net/2289/6410-
dc.descriptionRestricted Access. An open-access version is available at arXiv.org (one of the alternative locations)en_US
dc.description.abstractWe study the Quantum Measurement Process in a Stern–Gerlach setup with the spin of a silver atom as the quantum system and the position as the apparatus. The system and the apparatus are treated quantum-mechanically using unitary evolution. The new ingredient in our analysis is the idea that the probes determining the position of the silver atom are limited in resolution. We show using a Wigner matrix that due to the coarseness of the detection process, the pure density matrix appears to evolve to an impure one. We quantify the information gained about the spin in a coarse position measurement.en_US
dc.language.isoenen_US
dc.publisherElesvier B.V.en_US
dc.relation.urihttp://arxiv.org/abs/1509.09024en_US
dc.relation.urihttp://dx.doi.org/10.1016/j.physleta.2016.01.032en_US
dc.rights2016 Elesvier B.V.en_US
dc.subjectQuantum measurementen_US
dc.subjectEntanglementen_US
dc.subjectCoarse grainingen_US
dc.titleCoarse Quantum Measurement: An analysis of the Stern Gerlach experimenten_US
dc.typeArticleen_US
Appears in Collections:Research Papers (TP)

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