On the Consequences of Retaining the General Validity
of Locality in Physical Theory |
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Authors: | Email author" target="_blank">W?De?BaereEmail author |
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Institution: | (1) Laboratory for Theoretical Physics, Unit for Subatomic and Radiation Physics, Proeftuinstraat 86, Ghent, Belgium, B–9000 |
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Abstract: | The empirical validity of the locality (LOC) principle of relativity is used to argue in favour of a local hidden variable theory (HVT) for individual quantum processes. It is shown that such a HVT may reproduce the statistical predictions of quantum mechanics (QM), provided the reproducibility of initial hidden variable states is limited. This means that in a HVT limits should be set to the validity of the notion of counterfactual definiteness (CFD). This is supported by the empirical evidence that past, present, and future are basically distinct. Our argumentation is contrasted with a recent one by Stapp resulting in the opposite conclusion, i.e. nonlocality or the existence of faster-than-light influences. We argue that Stapps argumentation still depends in an implicit, but crucial, way on both the notions of hidden variables and of CFD. In addition, some implications of our results for the debate between Bohr and Einstein, Podolsky and Rosen are discussed. |
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Keywords: | locality quantum mechanics hidden variables counterfactual definiteness |
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