Bell’s theorem has been called “the most profound discovery of science”. However, there have been controversies on the deep implications of the theorem. This online workshop aims to highlight the existing debates and address the controversies. Read More
Workshop Date: Thursday, December 18, 2014 to Friday, January 16, 2015
Organizers: International Journal of Quantum Foundations
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What Does Bell's Theorem Really Tell Us?
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The claim is often made that the violation of a Bell inequality by standard quantum mechanics (SQM), in agreement with experiments, means that there is an intrinsic nonlocality in the quantum world. I argue against this by examining some derivations of the Clauser-Horne-Shimony-Holt (CHSH) inequality using various assumptions. These indicate that the fundamental difference between SQM and CHSH is that the former employs a quantum Hilbert space with noncommuting operators instead of the classical hidden variables used in the latter. Hence experiments which confirm violations of Bell inequalities do not tell us that the quantum world is nonlocal, but rather that it is nonclassical.
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