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Bell's theorem without hidden variables

Теорема Белла без скрытых переменных

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Il Nuovo Cimento B (1971-1996)

Summary

The conflict between the principle of local causes and the predictions of quantum theory is demonstrated in a concise form without using the concept of hidden variables or determinism.

Riassunto

Si dimostra il conflitto tra il principio delle cause locali e le predizioni della teoria quantistica in forma concisa e senza usare il concetto delle variabili nascoste o il determinismo.

Резюме

Рассматривается противоречие между принципом локальной причинности и предсказаниями квантовой теории в явном виде без использования концепции скрытых переменных или детерминизма.

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References

  1. J. S. Bell:Physics,1, 195 (1964).

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  2. See, for instance,H. P. Stapp:Phys. Rev. D,3, 1303 (1971);H. P. Stapp:Lectures on Bell's Theorem (Trieste, 1975).

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  3. J. S. Bell: Res. Th. 2053-CERN,The theory of local Beables, communication at theVI Gift Conference, Jaca, June 2–7, 1975;J. F. Clauser andM. A. Horne:Phys. Rev. D,10, 526 (1974);N. Herbert:Amer. Journ. Phys.,43, 315 (1975).

  4. CHSH stands forJ. F. Clauser, M. A. Horne, A. Shimony andR. A. Holt:Phys. Rev. Lett.,23, 880 (1969).

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  5. That consideration is related to Stapp's concept of «contrafactual definiteness» (see ref. (2)). It would not make sense to talk about nonactual experiments if, for instance, we believed that there is no free will, and the choice by an experimenter is determined anyway. Otherwise, I believe that considering different possible results of a future experiment, depending on one's decision, is a rather natural way of thinking.

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  6. Note that the conventional formalism of quantum theory also involves nonlocal evolutions of the wave function when the wave function collapses.

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Authors and Affiliations

  1. Physics Division, Lawrence Berkeley Laboratory, University of California, 94720, Berkeley, Cal.

    P. H. Eberhard

Authors
  1. P. H. Eberhard
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Additional information

This work was done with support from the U.S. Energy Research and Development Administration.

Traduzione a cura della Redazione.

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Eberhard, P.H. Bell's theorem without hidden variables. Nuovo Cim B 38, 75–80 (1977). https://doi.org/10.1007/BF02726212

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  • DOI: https://doi.org/10.1007/BF02726212

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