Spin-1 photons, spin-1/2 electrons, Bell's inequalities, and Feynman's special perspective on quantum mechanics

Masud Mansuripur

doi:10.1117/12.2633646

3 October 2022 Spin-1 photons, spin-1/2 electrons, Bell's inequalities, and Feynman's special perspective on quantum mechanics

Masud Mansuripur

Author Affiliations +

Proceedings Volume 12205, Spintronics XV; 122050B (2022) https://doi.org/10.1117/12.2633646
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States

Abstract

The Einstein-Podolsky-Rosen (EPR) paradox that argues for the incompleteness of quantum mechanics as a description of physical reality has been put to rest by John Bell’s famous theorem, which inspired numerous experimental tests and brought about further affirmations of quantum reality. Nevertheless, in his writings and public presentations, Richard Feynman never acknowledged the significance of Bell’s contribution to the resolution of the EPR paradox. In this paper, we discuss several variants of the Bell inequalities (including one that was specifically espoused by Feynman), and explore the ways in which they demolish the arguments in favor of local hidden-variable theories. We also examine the roots of Feynman’s attitude toward Bell’s theorem in the context of Feynman’s special perspective on quantum mechanics.

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Citation Download Citation

Masud Mansuripur "Spin-1 photons, spin-1/2 electrons, Bell's inequalities, and Feynman's special perspective on quantum mechanics", Proc. SPIE 12205, Spintronics XV, 122050B (3 October 2022); https://doi.org/10.1117/12.2633646

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