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Phys. Rev. Lett. 68, 2981–2984 (1992)

Quantum mechanics, local realistic theories, and Lorentz-invariant realistic theories

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Lucien Hardy
Department of Mathematical Sciences, University of Durham, Durham DH1 3LE, England

Received 22 January 1992; published in the issue dated 18 May 1992

First, we demonstrate Bell’s theorem, without using inequalities, for an experiment with two particles. Then we show that, if we assume realism and we assume that the ‘‘elements of reality’’ corresponding to Lorentz-invariant observables are themselves Lorentz invariant, we can derive a contradiction with quantum mechanics.

© 1992 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.68.2981
DOI:
10.1103/PhysRevLett.68.2981
PACS:
03.65.Bz

See Also

Comment: K. Berndl and S. Goldstein, Comment on ‘‘Quantum mechanics, local realistic theories, and Lorentz-invariant realistic theories’’, Phys. Rev. Lett. 72, 780 (1994).

Comment: Daniel L. Schauer, Comment on ‘‘Quantum mechanics, local realistic theories, and Lorentz-invariant realistic theories’’, Phys. Rev. Lett. 72, 782 (1994).

Reply: Lucien Hardy, Hardy replies, Phys. Rev. Lett. 72, 781 (1994).

Reply: Lucien Hardy, Hardy replies, Phys. Rev. Lett. 72, 783 (1994).