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Non-Local Hidden Variable Theories and Bell's Inequality

Jeffrey Bub and Vandana Shiva
PSA: Proceedings of the Biennial Meeting of the Philosophy of Science Association
Vol. 1978, Volume One: Contributed Papers (1978), pp. 45-53
Stable URL: http://www.jstor.org/stable/192624
Page Count: 9
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Non-Local Hidden Variable Theories and Bell's Inequality
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Abstract

Bell's proof purports to show that any hidden variable theory satisfying a physically reasonable locality condition is characterized by an inequality which is inconsistent with the quantum statistics. It is shown that Bell's inequality actually characterizes a feature of hidden variable theories which is much weaker than locality in the sense considered physically motivated. We consider an example of non-local hidden variable theory which reproduces the quantum statistics (and hence violates Bell's inequality). A simple extension of the theory, which preserves the non-local character, alters the statistics in such a way that Bell's inequality is satisfied.

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