Eliahu Cohen

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Protective Measurement, Postseletion and the Heisenberg Representation by Yakir Aharonov and Eliahu Cohen

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This is the third chapter of the anthology Protective Measurement And Quantum Reality (CUP, 2014). Here is its abstract: Classical ergodicity retains its meaning in the quantum realm when the employed measurement is protective. This unique measuring technique is re-examined in the case of post-selection, giving rise to novel insights studied in the Heisenberg representation. Quantum statistical mechanics is then briefly described in terms… Read more →

Weekly Papers on Quantum Foundations (9)

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Determining the difference between local acceleration and local gravity: applications of the equivalence principle to relativistic trajectories   from gr-qc by Steven A. BalbusFri Mar 08 2024 12:30:03 (22 hours)# 1. arXiv:2403.03965v1 Announce Type: new Abstract: We show by direct calculation that the common Equivalence Principle explanation for why gravity must deflect light is quantitatively incorrect by a factor of three in Schwarzschild… Read more →

Weekly Papers on Quantum Foundations (13)

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Classical Thought in Newton’s General Scholium. (arXiv:2303.12945v1 [physics.hist-ph])   from  physics.hist-ph updates on arXiv.org  by  Karin Verelst Fri Mar 24 2023 09:25:11 (1 day) # 1. Isaac Newton, in popular imagination the Ur-scientist, was an outstanding humanist scholar. His researches on, among others, ancient philosophy, are thorough and appear to be connected to and fit within his larger philosophical and… Read more →

Weekly Papers on Quantum Foundations (21)

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A no-go result for Bohmian mechanics 2022年5月19日 星期四 上午1:29 | Philsci-Archive: No conditions. Results ordered -Date Deposited. Gao, Shan (2022) A no-go result for Bohmian mechanics. [Preprint] From Unobservable to Observable: Scientific Realism and the Discovery of Radium 2022年5月19日 星期四 上午1:28 | Philsci-Archive: No conditions. Results ordered -Date Deposited. Allzén, Simon (2022) From Unobservable to Observable: Scientific Realism and the… Read more →

Weekly Papers on Quantum Foundations (32)

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Quantum logical entropy: fundamentals and general properties. (arXiv:2108.02726v1 [quant-ph]) 上午10:04 | Boaz Tamir, Ismael L. Paiva, Zohar Schwartzman-Nowik, Eliahu Cohen | quant-ph updates on arXiv.org Logical entropy gives a measure, in the sense of measure theory, of the distinctions of a given partition of a set, an idea that can be naturally generalized to classical probability distributions. Here, we analyze… Read more →

Weekly Papers on Quantum Foundations (41)

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Experimental evidence for the Unruh effect. (arXiv:1903.00043v3 [gr-qc] UPDATED) 2019年10月18日 星期五 下午7:34 | gr-qc updates on arXiv.org Authors: Morgan H. Lynch, Eliahu Cohen, Yaron Hadad, Ido Kaminer We examine the radiation emitted by high energy positrons channeled into silicon crystal samples. The positrons are modeled as semiclassical vector currents coupled to an Unruh-DeWitt detector to incorporate any local change in the energy of the… Read more →

Weekly Papers on Quantum Foundations (20)

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A different perspective on the problem of time in quantum gravity. (arXiv:1905.09860v1 [gr-qc])  gr-qc updates on arXiv.org on 2019-5-28 12:29am GMT Authors: Mariano Bauer, Cesar Augusto Aguillon, Gustavo Garcia The perspective is advanced that the time parameter in quantum mechanics corresponds to the time coordinate in a Minkowski flat spacetime local approximation to the actual dynamical curved spacetime of General Relativity, rather than… Read more →

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 (41)

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Realism about the Wave Function  Philsci-Archive: No conditions. Results ordered -Date Deposited. on 2018-10-14 2:01am GMT Chen, Eddy Keming (2018) Realism about the Wave Function. [Preprint] Against Fundamentalism  Philsci-Archive: No conditions. Results ordered -Date Deposited. on 2018-10-14 1:57am GMT Leifer, Matthew (2018) Against Fundamentalism. [Preprint] Quantum Mechanics in a Time-Asymmetric Universe: On the Nature of the Initial Quantum State  The… Read more →