A Kochen-Specker Theorem for Unsharp Spin 1 Observables

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dc.creatorBreuer, Thomas
dc.date2002-03-20
dc.date.accessioned2026-07-07T06:03:52Z
dc.date.available2026-07-07T06:03:52Z
dc.descriptionUnsharp spin observables are shown to arise from the fact that a residual uncertainty about the actual alignment of the measurement device remains. If the uncertainty is below a certain level, and if the distribution misalignments is covariant under rotations, a Kochen-Specker theorem for the unsharp spin observables follows: There are finite sets of directions such that not all the unsharp spin observables in these directions can consistently be assigned approximate truth-values in a non-contextual way.
dc.description9 pages
dc.identifierhttps://arxiv.org/abs/quant-ph/0203103
dc.identifierhttp://arxiv.org/abs/quant-ph/0203103
dc.identifierpp. 195-203 in T.Placek and J. Butterfield (eds.): Non-locality and Modality, NATO Science Series, Kluwer Academic Publishers, Dordrecht, 2002
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/90103
dc.subjectQuantum Physics
dc.titleA Kochen-Specker Theorem for Unsharp Spin 1 Observables
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