Realism and Contextuality: Maximal Bell Violations with Non-Invasive Measurements

Ghenadie Mardari

doi:10.20944/preprints202308.0773.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Version 1 : Received: 8 August 2023 / Approved: 9 August 2023 / Online: 9 August 2023 (10:54:11 CEST)
Version 2 : Received: 11 October 2023 / Approved: 11 October 2023 / Online: 13 October 2023 (12:42:51 CEST)
Version 3 : Received: 10 January 2024 / Approved: 10 January 2024 / Online: 10 January 2024 (14:42:26 CET)

Predetermined physical properties cannot manifest at the same time if they are mutually exclusive. As part of a single system, they become observable at different times, in sequence. In this case, pairwise detections in a narrow window of coincidence allow for maximal Bell violations (S=4 for the CHSH protocol), without room for doubt about the local nature of the process. This shows that a deeper description of physical reality is possible, as suggested by Einstein, Podolsky and Rosen. Though, a more inclusive definition of Realism is required, in order to account for Bohr’s Contextuality.

quantum entanglement; EPR paradox; Bell’s theorem; realism; contextuality.

Physical Sciences, Quantum Science and Technology

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Realism and Contextuality: Maximal Bell Violations with Non-Invasive Measurements

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