Limits to Quantum Mechanics as a Source of Magic Tricks: Retrodiction and the Bell-Kochen-Specker Theorem
- 6 February 1995
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 74 (6) , 831-834
- https://doi.org/10.1103/physrevlett.74.831
Abstract
A trick discovered by Vaidman, Aharanov, and Albert permitting retrodiction of the outcomes of more measurements than one would naively have thought possible is extended to a case in which the retrodicted observables are forbidden all to have values by a Bell-Kochen-Specker theorem. A rather peculiar analysis shows that an even better trick that retrodicts the outcomes of more informative measurements of these same observables is impossible.Keywords
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