Physics – Quantum Physics
Scientific paper
2000-06-08
Phys. Rev. Lett. 86 (2001) 4427-4430.
Physics
Quantum Physics
4 pages
Scientific paper
10.1103/PhysRevLett.86.4427
It has recently been questioned whether the Kochen-Specker theorem is relevant to real experiments, which by necessity only have finite precision. We give an affirmative answer to this question by showing how to derive hidden-variable theorems that apply to real experiments, so that non-contextual hidden variables can indeed be experimentally disproved. The essential point is that for the derivation of hidden-variable theorems one does not have to know which observables are really measured by the apparatus. Predictions can be derived for observables that are defined in an entirely operational way.
Brukner Caslav
Simon Christoph
Zeilinger Anton
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