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A Presupposition of Bell's Theorem

Held, Carsten (2023) A Presupposition of Bell's Theorem. [Preprint]


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The most prominent version of Bell’s theorem consists of the Bell-CHSH inequality and a quantum-mechanical example violating it. The inequality is shown to rest on the non-trivial presupposition that the values of elementary spin quantities are scalars, not, e.g., vectors. In the version considered, the theorem’s argument succeeds for scalars and fails for vectors. However, the reference to vector values can be motivated from the physics of spin. Hence, recognizing the presupposition suggests a critical reassessment of the theorem.

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Item Type: Preprint
Held, Carstencarsten.held@mailbox.org0000-0002-2549-4903
Keywords: Bell’s theorem, Bell-CHSH inequality, locality
Subjects: Specific Sciences > Physics > Quantum Mechanics
Depositing User: Dr. Carsten Held
Date Deposited: 23 Apr 2023 16:39
Last Modified: 23 Apr 2023 16:39
Item ID: 22012
Subjects: Specific Sciences > Physics > Quantum Mechanics
Date: 23 April 2023

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