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Weekly Papers on Quantum Foundations (38)

Finding the world in the wave function: some strategies for solving the macro-object problem 上午8:00 | Latest Results for Synthese Abstract Realists wanting to capture the facts of quantum entanglement in a metaphysical interpretation find themselves faced with several options: to grant some species of fundamental nonseparability, adopt holism, or (more radically) to view localized spacetime systems as ultimately reducible… Read more →

Weekly Papers on Quantum Foundations (37)

Underground test of gravity-related wave function collapse 2020年9月7日 星期一 上午8:00 | Angelo Bassi | Nature Physics – Issue – nature.com science feeds Nature Physics, Published online: 07 September 2020; doi:10.1038/s41567-020-1008-4The radiation emission rate from gravity-related wave function collapse is calculated and the results of a dedicated experiment at the Gran Sasso laboratory are reported, ruling out the natural parameter-free version of… Read more →

Weekly Papers on Quantum Foundations (36)

Violation of Heisenberg’s Error-Disturbance Relation by Stern-Gerlach Measurements. (arXiv:2009.01646v1 [quant-ph]) 上午10:15 | Yuki Inoue, Masanao Ozawa | quant-ph updates on arXiv.org Although “Heisenberg’s uncertainty principle” is represented by a rigorously proven relation about intrinsic indeterminacy in quantum states, Heisenberg’s error-disturbance relation (EDR) has been commonly believed as another aspect of the principle. However, recent developments of quantum measurement theory made… Read more →

Weekly Papers on Quantum Foundations (34)

Meaning relativism and subjective idealism 上午8:00 | Latest Results for Synthese Abstract The paper discusses an objection, put forward by—among others—John McDowell, to Kripke’s Wittgenstein’s non-factualist and relativist view of semantic discourse. The objection goes roughly as follows: while it is usually possible to be a relativist about a given domain of discourse without being a relativist about anything else,… Read more →

Weekly Papers on Quantum Foundations (33)

The anomalous magnetic moment of the muon in the Standard Model 上午9:26 | ScienceDirect Publication: Physics ReportsScienceDirect RSShttps://www.sciencedirect.com/journal/physics-reportsRSS for NodeTue, 23 Jul 2019 10:02:48 GMTCopyright © 2019 Elsevier B.V. All rights reservedRapid solidification as non-ergodic phenomenonPublication date: 20 July 2019Source: Physics Reports, Volume 818Author(s): P.K. Galenko, D. JouAbstractRapid solidification is a relevant physical phenomenon in material sciences, whose theoretical analysis… Read more →

Weekly Papers on Quantum Foundations (31-32)

Mathematics of the classical and the quantum 下午2:30 | Philsci-Archive: No conditions. Results ordered -Date Deposited. Kryukov, Alexey (2000) Mathematics of the classical and the quantum. J. Math. Phys., 61, 082101. Physics in the space of quantum states 下午2:22 | Philsci-Archive: No conditions. Results ordered -Date Deposited. Kryukov, Alexey (2000) Physics in the space of quantum states. [Preprint] In Memory… Read more →

Weekly Papers on Quantum Foundations (30)

How to switch between relational quantum clocks. (arXiv:1810.04153v2 [gr-qc] UPDATED) 上午9:37 | gr-qc updates on arXiv.org Authors: Philipp A Hoehn, Augustin Vanrietvelde Every clock is a physical system and thereby ultimately quantum. A naturally arising question is how to describe time evolution relative to quantum clocks and, specifically, how the dynamics relative to different quantum clocks are related. This is a pressing… Read more →

Weekly Papers on Quantum Foundations (29)

The Connection between Bohmian Mechanics and Many-Particle Quantum Hydrodynamics 上午8:00 | Latest Results for Foundations of Physics Abstract Bohm developed the Bohmian mechanics (BM), in which the Schrödinger equation is transformed into two differential equations: a continuity equation and an equation of motion similar to the Newtonian equation of motion. This transformation can be executed both for single-particle systems and… Read more →

Weekly Papers on Quantum Foundations (28)

Observations of coherence de Broglie waves. (arXiv:2007.04738v1 [quant-ph]) 上午10:12 | Byoung S. Ham | quant-ph updates on arXiv.org Photonic de Broglie waves (PBWs) via two-mode entangled photon pair interactions on a beam splitter show a pure quantum feature which cannot be obtained by classical means1-4. Although PBWs have been intensively studied for quantum metrology5-13 and quantum sensing14-25 over the last… Read more →

Weekly Papers on Quantum Foundations (27)

The appearance of particle tracks in detectors. (arXiv:2007.00785v1 [math-ph]) 上午9:14 | Miguel Ballesteros, Tristan Benoist, Martin Fraas, Jürg Fröhlich | quant-ph updates on arXiv.org The phenomenon that a quantum particle propagating in a detector, such as a Wilson cloud chamber, leaves a track close to a classical trajectory is analyzed. We introduce an idealized quantum-mechanical model of a charged particle… Read more →

Weekly Papers on Quantum Foundations (26)

Born’s rule from almost nothing. (arXiv:2006.14175v1 [quant-ph]) 上午10:14 | Sabine Hossenfelder | quant-ph updates on arXiv.org We here put forward a simple argument for Born’s rule based on the requirement that the probability distribution should not be a function of the number of degrees of freedom. How small an environment can be to still generate decoherence?. (arXiv:2006.14468v1 [quant-ph]) 上午10:14 |… Read more →