For nonlocal hidden variable ontologies to allow independent choices by several agents, the measurement context must incorporate time-ordering of the agents' decisions.
Suarez, All-possible-worlds: Unifying many-worlds and copenhagen, in the light of quantum contextuality, arXiv preprint arXiv:1712.06448v2 (2019)
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abstract
"All-Possible-Worlds" is a novel interpretation of quantum physics, which results from a unified reformulation of Many-Worlds and Copenhagen ("collapse") in the light of quantum contextuality, and proposes "nonlocality at detection" as a principle ruling the whole quantum realm, including single qubit and qutrit experiments.
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quant-ph 2verdicts
UNVERDICTED 2representative citing papers
By adding an observer-independent irreversibility principle for detections, the paper concludes that quantum superposition cannot extend to visible objects with observer-dependent outcomes.
citing papers explorer
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Kochen-Specker nonlocal hidden variables must include time-ordering to allow for measurement independence of several agents
For nonlocal hidden variable ontologies to allow independent choices by several agents, the measurement context must incorporate time-ordering of the agents' decisions.
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The limits of quantum superposition: Should "Schr\"{o}dinger's cat" and "Wigner's friend" be considered "miracle" narratives?
By adding an observer-independent irreversibility principle for detections, the paper concludes that quantum superposition cannot extend to visible objects with observer-dependent outcomes.