Realism and Causality II: Retrocausality in Energetic Causal Sets

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Eliahu Cohen, Marina Cortês, Avshalom C. Elitzur, Lee Smolin (Submitted on 13 Feb 2019 (v1), last revised 19 Mar 2019 (this version, v2)) https://arxiv.org/abs/1902.05082v2 We describe a new form of retrocausality, which is found in the behaviour of a class of causal set theories, called energetic causal sets (ECS). These are discrete sets of events, connected by causal relations. They have three orders:… Read more →

Realism and causality I: Pilot wave and retrocausal models as possible facilitators

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Eliahu Cohen, Marina Cortês, Avshalom C. Elitzur, Lee Smolin (Submitted on 13 Feb 2019 (v1), last revised 19 Mar 2019 (this version, v2)) https://arxiv.org/abs/1902.05108v2 Of all basic principles of classical physics, realism should arguably be the last to be given up when seeking a better interpretation of quantum mechanics. We examine the de Broglie-Bohm pilot wave theory as a well developed example of… Read more →

Weekly Papers on Quantum Foundations (12)

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Less is More: Born’s Rule from Quantum Frequentism. (arXiv:1903.12027v1 [quant-ph])  quant-ph updates on arXiv.org on 2019-3-30 1:40am GMT Authors: Lionel Brits Accounting for Born’s rule from first principles remains an open problem among the foundational issues in quantum mechanics. Proponents of the many-worlds interpretation have argued that histories that violate Born’s rule have vanishing norms, and so are unphysical. This argument… Read more →

Weekly Papers on Quantum Foundations (11)

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The Wigner function in the relativistic quantum mechanics. (arXiv:1903.08975v1 [quant-ph])  hep-th updates on arXiv.org on 2019-3-23 1:09am GMT Authors: K. Kowalski, J. Rembielinski A detailed study is presented of the relativistic Wigner function for a quantum spinless particle evolving in time according to the Salpeter equation. A Quantum Mechanics Picture. (arXiv:1612.09114v3 [quant-ph] UPDATED)  quant-ph updates on arXiv.org on 2019-3-23 1:08am GMT Authors: Jeconias… Read more →

Weekly Papers on Quantum Foundations (10)

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Is there density matrix realism?  Philsci-Archive: No conditions. Results ordered -Date Deposited. on 2019-3-15 7:00pm GMT Gao, Shan (2019) Is there density matrix realism? [Preprint] Closing in on the Cosmos: Cosmology’s Rebirth and the Rise of the Dark Matter Problem  Philsci-Archive: No conditions. Results ordered -Date Deposited. on 2019-3-15 6:59pm GMT de Swart, Jaco (2019) Closing in on the Cosmos:… Read more →

Weekly Papers on Quantum Foundations (9)

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LOGICAL FOUNDATIONS OF PHYSICS. PART I. ZENO’S DICHOTOMY PARADOX,SUPERTASKS AND THE FAILURE OF CLASSICAL INFINITARY REASONING  Philsci-Archive: No conditions. Results ordered -Date Deposited. on 2019-3-09 3:56am GMT Srinivasan, Radhakrishnan (2019) LOGICAL FOUNDATIONS OF PHYSICS. PART I. ZENO’S DICHOTOMY PARADOX,SUPERTASKS AND THE FAILURE OF CLASSICAL INFINITARY REASONING. [Preprint] How dark matter came to matter  Philsci-Archive: No conditions. Results ordered -Date Deposited…. Read more →

Weekly Papers on Quantum Foundations (8)

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Macroscopicity of quantum mechanical superposition tests via hypothesis falsification. (arXiv:1902.11092v1 [quant-ph])  quant-ph updates on arXiv.org on 2019-3-02 12:26am GMT Authors: Björn Schrinski, Stefan Nimmrichter, Benjamin A. Stickler, Klaus Hornberger We establish an objective scheme to determine the macroscopicity of quantum mechanical superposition tests, which is based on the Bayesian hypothesis falsification of macrorealistic modifications of quantum theory. The measure uses the raw data gathered… Read more →