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Kochen-Specker theorem for finite precision spin-one measurements



Kochen-Specker theorem for finite precision spin-one measurements



Physical Review Letters 88(24): 240402



Unsharp spin-one observables arise from the fact that a residual uncertainty about the actual orientation of the measurement device remains. If the uncertainty is below a certain level, and if the distribution of measurement errors 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 noncontextual way.

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Accession: 046508838

Download citation: RISBibTeXText

PMID: 12059287

DOI: 10.1103/physrevlett.88.240402


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