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Weekly Papers on Quantum Foundations (24)

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Testing quantum theory with thought experiments. (arXiv:2106.05314v1 [quant-ph]) 上午9:49 | Nuriya Nurgalieva, Renato Renner | quant-ph updates on arXiv.org Quantum mechanics is one of our most successful physical theories; its predictions agree with experimental observations to an extremely high accuracy. However, the bare formalism of quantum theory does not provide straightforward answers to seemingly simple questions: for example, how should… Read more →

Weekly Papers on Quantum Foundations (22)

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Faking quantum probabilites: Beyond Bell’s theorem and Tsirelson bounds. (arXiv:2105.12728v1 [quant-ph]) 上午8:50 | Marek Czachor, Kamil Nalikowski | quant-ph updates on arXiv.org Local hidden-variable model of singlet-state correlations discussed in M. Czachor, Arithmetic loophole in Bell’s Theorem: Overlooked threat to entangled-state quantum cryptography”, Acta Phys. Polon. A 139, 70-83 (2021), is shown to be a particular case of an infinite… Read more →

Weekly Papers on Quantum Foundations (21)

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Quantum imprints of gravitational shockwaves. (arXiv:2105.09337v1 [hep-th]) 上午10:02 | Finnian Gray, David Kubiznak, Taillte May, Sydney Timmerman, Erickson Tjoa | quant-ph updates on arXiv.org Gravitational shockwaves are simple exact solutions of Einstein equations representing the fields of ultrarelativistic sources and idealized gravitational waves (shocks). Historically, much work has focused on shockwaves in the context of possible black hole formation in… Read more →

Weekly Papers on Quantum Foundations (20)

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Blind steering in no-signalling theories. (arXiv:2007.15502v3 [quant-ph] UPDATED) 上午9:44 | Emmanuel Zambrini Cruzeiro, Nicolas Gisin, Sandu Popescu | quant-ph updates on arXiv.org Steering is usually described as a quantum phenomenon. In this article, we show that steering is not restricted to quantum theory, it is also present in more general, no-signalling theories. We present two main results: first, we show… Read more →

Weekly Papers on Quantum Foundations (19)

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Page-Wootters formulation of indefinite causal order. (arXiv:2105.02304v1 [quant-ph]) 上午9:33 | Veronika Baumann, Marius Krumm, Philippe Allard Guérin, Časlav Brukner | quant-ph updates on arXiv.org One of the most fundamental open problems in physics is the unification of general relativity and quantum theory to a theory of quantum gravity. An aspect that might become relevant in such a theory is that… Read more →

Weekly Papers on Quantum Foundations (18)

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A local hidden-variable model for experimental tests of the GHZ puzzle. (arXiv:2104.14503v1 [quant-ph]) 上午10:02 | Brian R. La Cour | quant-ph updates on arXiv.org The Greenberger-Horne-Zeilinger (GHZ) puzzle has been used to study quantum nonlocality and provide an all-or-nothing, no-go theorem for local hidden-variable models. Recent experiments using coincident-detected entangled photons prepared in a three-particle GHZ state have been used… Read more →

Weekly Papers on Quantum Foundations (17)

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Revisiting the compatibility problem between the gauge principle and the observability of the canonical orbital angular momentum in the Landau problem. (arXiv:2104.10885v1 [quant-ph]) 上午9:11 | M. Wakamatsu, Y. Kitadono, L.-P. Zou, P.-M. Zhang | quant-ph updates on arXiv.org As is widely-known, the eigen-functions of the Landau problem in the symmetric gauge are specified by two quantum numbers. The first is… Read more →

Weekly Papers on Quantum Foundations (16)

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Quantum Origins of the Density Operator. (arXiv:2104.07465v1 [physics.gen-ph]) 上午10:31 | Mark G. Kuzyk | quant-ph updates on arXiv.org Students in quantum mechanics class are taught that the wave function contains all knowable information about an isolated system. Later in the course, this view seems to be contradicted by the mysterious density matrix, which introduces a new set of probabilities in… Read more →

Weekly Papers on Quantum Foundations (15)

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Quantum Entanglement Undermines Structural Realism 2021年4月10日 星期六 上午2:33 | Philsci-Archive: No conditions. Results ordered -Date Deposited. Park, Seungbae (2021) Quantum Entanglement Undermines Structural Realism. Metaphysica. How Artworks Modify our Perception of the World 2021年4月10日 星期六 上午2:32 | Philsci-Archive: No conditions. Results ordered -Date Deposited. Vernazzani, Alfredo (2021) How Artworks Modify our Perception of the World. [Preprint] Geometry of Faithful Entanglement… Read more →

Weekly Papers on Quantum Foundations (14)

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Mechanical Jurisprudence and Domain Distortion: How Predictive Algorithms Warp the Law 上午2:21 | Philsci-Archive: No conditions. Results ordered -Date Deposited. Pruss, Dasha (2021) Mechanical Jurisprudence and Domain Distortion: How Predictive Algorithms Warp the Law. [Preprint] Approaching probabilistic and deterministic nomic truths in an inductive probabilistic way 上午2:21 | Philsci-Archive: No conditions. Results ordered -Date Deposited. Kuipers, Theo A.F. (2021) Approaching… Read more →

Weekly Papers on Quantum Foundations (13)

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The Landscape and the Multiverse: What’s the Problem? 上午1:14 | Philsci-Archive: No conditions. Results ordered -Date Deposited. Read, James and Le Bihan, Baptiste (2021) The Landscape and the Multiverse: What’s the Problem? [Preprint] The Sheaf-Theoretic Structure of Definite Causality. (arXiv:2103.13771v1 [quant-ph]) 2021年3月26日 星期五 下午4:23 | Stefano Gogioso, Nicola Pinzani | quant-ph updates on arXiv.org We extend the sheaf-theoretic framework for… Read more →