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Keywords = realist psi-epistemic models

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11 pages, 299 KB  
Proceeding Paper
Entropic Dynamics and Quantum “Measurement”
by Ariel Caticha
Phys. Sci. Forum 2022, 5(1), 36; https://doi.org/10.3390/psf2022005036 - 15 Dec 2022
Cited by 3 | Viewed by 1596
Abstract
The entropic dynamics (ED) approach to quantum mechanics is ideally suited to address the problem of measurement because it is based on entropic and Bayesian methods of inference that have been designed to process information and data. The approach succeeds because ED achieves [...] Read more.
The entropic dynamics (ED) approach to quantum mechanics is ideally suited to address the problem of measurement because it is based on entropic and Bayesian methods of inference that have been designed to process information and data. The approach succeeds because ED achieves a clear-cut separation between ontic and epistemic elements: positions are ontic, while probabilities and wave functions are epistemic. Thus, ED is a viable realist ψ-epistemic model. Such models are widely assumed to be ruled out by various no-go theorems. We show that ED evades those theorems by adopting purely epistemic dynamics and denying the existence of an ontic dynamics at the subquantum level. Full article
29 pages, 693 KB  
Article
Beyond Causal Explanation: Einstein’s Principle Not Reichenbach’s
by Michael Silberstein, William Mark Stuckey and Timothy McDevitt
Entropy 2021, 23(1), 114; https://doi.org/10.3390/e23010114 - 16 Jan 2021
Cited by 7 | Viewed by 6327
Abstract
Our account provides a local, realist and fully non-causal principle explanation for EPR correlations, contextuality, no-signalling, and the Tsirelson bound. Indeed, the account herein is fully consistent with the causal structure of Minkowski spacetime. We argue that retrocausal accounts of quantum mechanics are [...] Read more.
Our account provides a local, realist and fully non-causal principle explanation for EPR correlations, contextuality, no-signalling, and the Tsirelson bound. Indeed, the account herein is fully consistent with the causal structure of Minkowski spacetime. We argue that retrocausal accounts of quantum mechanics are problematic precisely because they do not fully transcend the assumption that causal or constructive explanation must always be fundamental. Unlike retrocausal accounts, our principle explanation is a complete rejection of Reichenbach’s Principle. Furthermore, we will argue that the basis for our principle account of quantum mechanics is the physical principle sought by quantum information theorists for their reconstructions of quantum mechanics. Finally, we explain why our account is both fully realist and psi-epistemic. Full article
(This article belongs to the Special Issue Quantum Theory and Causation)
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