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Weekly Papers on Quantum Foundations (21)

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Exploring strong-field deviations from general relativity via gravitational waves. (arXiv:1904.04258v2 [gr-qc] CROSS LISTED)  hep-th updates on arXiv.org on 2019-6-01 12:22am GMT Authors: Steven B. Giddings, Seth Koren, Gabriel Treviño Two new observational windows have been opened to strong gravitational physics: gravitational waves, and very long baseline interferometry. This suggests observational searches for new phenomena in this regime, and in particular for those necessary… Read more →

Weekly Papers on Quantum Foundations (17)

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An experimental Scheme for Gravitational Scattering in Microscale: The effect of spatial superposition of mass on the microstructure of space-time. (arXiv:1905.00484v1 [quant-ph])  quant-ph updates on arXiv.org on 2019-5-04 10:15am GMT Authors: Sahar Sahebdivan In this paper, we are exploring the feasibility of observing non-classical features of gravity in a low-energy regime in a quantum optomechanical experiment. If gravity is to have… Read more →

Weekly Papers on Quantum Foundations (13,14)

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Searching for quantum black hole structure with the Event Horizon Telescope. (arXiv:1904.05287v1 [gr-qc] CROSS LISTED)  hep-th updates on arXiv.org on 2019-4-13 1:28am GMT Authors: Steven B. Giddings The impressive images from the Event Horizon Telescope sharpen the conflict between our observations of gravitational phenomena and the principles of quantum mechanics. Two related scenarios for reconciling quantum mechanics with the existence of… 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 (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 (7)

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Life, death, new species and children from a “Quantum Game of Life”. (arXiv:1902.07834v1 [quant-ph])  quant-ph updates on arXiv.org on 2019-2-23 12:58am GMT Authors: David Faux, Mayank Shah, Christopher Knapp The classical “game of life” (GOL) due to Conway is a famous mathematical game constructed as a two-dimensional cellular automaton in which each cell is either alive or dead. A set of evolutionary rules… Read more →

Weekly Papers on Quantum Foundations (6)

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The Best of Many Worlds, or, is Quantum Decoherence the Manifestation of a Disposition?∗  Philsci-Archive: No conditions. Results ordered -Date Deposited. on 2019-2-14 7:06pm GMT Boge, Florian J. (2018) The Best of Many Worlds, or, is Quantum Decoherence the Manifestation of a Disposition?∗. [Preprint] An integrated route to quantum detection  Science current issue on 2019-2-14 6:37pm GMT Mysterious Quantum Rule… Read more →

Weekly Papers on Quantum Foundations (5)

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Natural discrete differential calculus in physics  Philsci-Archive: No conditions. Results ordered -Date Deposited. on 2019-2-09 7:03pm GMT ROVELLI, Carlo (2019) Natural discrete differential calculus in physics. [Preprint] Lost in Math?  Philsci-Archive: No conditions. Results ordered -Date Deposited. on 2019-2-08 3:24am GMT Butterfield, Jeremy (2018) Lost in Math? [Preprint] Non-locality and quasiclassical reality in Kent’s formulation of relativistic quantum theory  Philsci-Archive:… Read more →

Weekly Papers on Quantum Foundations (4)

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Path integrals, spontaneous localisation, and the classical limit. (arXiv:1808.04178v3 [quant-ph] UPDATED)  hep-th updates on arXiv.org on 2019-2-02 2:21am GMT Authors: Bhavya Bhatt, Manish Ram Chander, Raj Patil, Ruchira Mishra, Shlok Nahar, Tejinder P. Singh We recall that in order to obtain the classical limit of quantum mechanics one needs to take the $\hbar\rightarrow 0$ limit. In addition, one also needs an explanation for the absence of… Read more →

Weekly Papers on Quantum Foundations (3)

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Outline for a quantum theory of gravity. (arXiv:1901.05953v1 [gr-qc])  hep-th updates on arXiv.org on 2019-1-19 7:38am GMT Authors: Tejinder P. Singh By invoking an asymmetric metric tensor, and borrowing ideas from non-commutative geometry, string theory, and trace dynamics, we propose an action function for quantum gravity. The action is proportional to the four dimensional non-commutative curvature scalar (which is torsion dependent)… Read more →