John Norton

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Weekly Papers on Quantum Foundations (6)

Gravitation in terms of observables. (arXiv:1802.02661v1 [gr-qc])  hep-th updates on arXiv.org on 2018-2-10 12:53am GMT Authors: Rodolfo Gambini, Jorge Pullin In the 1960’s, Mandelstam proposed a new approach to gauge theories and gravity based on loops. The program for gauge theories was completed for Yang–Mills theories by Gambini and Trias in the 1980’s. Gauge theories could be understood as representations of certain… Read more →

Weekly Papers on Quantum Foundations (39)

Highlighting relations between Wave-particle duality, Uncertainty principle, Phase space and Microstates. (arXiv:2205.08538v2 [quant-ph] UPDATED)   from  physics.hist-ph updates on arXiv.org  by  Ravo Tokiniaina Ranaivoson, Voriraza Séraphin Hejesoa, Raoelina Andriambololona, Nirina Gilbert Rasolofoson, Hanitriarivo Rakotoson, Jacqueline Rabesahala Raoelina Andriambololona, Lala Rarivomanantsoa, Naivo Rabesiranana Fri Sep 23 2022 08:50:01 (1 day) # 1. The wave-particle duality is often considered as the modern… Read more →

Weekly Papers on Quantum Foundations (24)

Causality, unitarity and stability in quantum gravity: a non-perturbative perspective. (arXiv:2206.04072v1 [hep-th]) 上午9:50 | gr-qc updates on arXiv.org Authors: Alessia Platania Resumming quantum fluctuations at the level of the gravitational path integral is expected to result in non-local effective actions and thus in a non-trivial momentum dependence of the propagator. Which properties the (dressed) graviton propagator has to satisfy and whether… Read more →

Weekly Papers on Quantum Foundations (19)

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 (17)

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 (8)

Review of Mark Wilson, Physics Avoidance 上午7:49 | Philsci-Archive: No conditions. Results ordered -Date Deposited. Fraser, Doreen (2021) Review of Mark Wilson, Physics Avoidance. [Preprint] Fundamental Nomic Vagueness 上午7:49 | Philsci-Archive: No conditions. Results ordered -Date Deposited. Chen, Eddy Keming (2021) Fundamental Nomic Vagueness. [Preprint] From Ramanujan to renormalization: the art of doing away with divergences and arriving at physical… Read more →

Weekly Papers on Quantum Foundations (42)

Time-Symmetry Breaking in Hamiltonian Mechanics. II. A Memoir for Berni Julian Alder [1925-2020]. (arXiv:2010.02084v4 [physics.hist-ph] UPDATED) 2020年10月16日 星期五 下午8:09 | physics.hist-ph updates on arXiv.org Authors: William Graham Hoover, Carol Griswold Hoover This memoir honors the late Berni Julian Alder, who inspired both of us with his pioneering development of molecular dynamics. Berni’s work with Tom Wainwright, described in the 1959 Scientific American[1],… 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 (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 (12)

Some Philosophical Prehistory of the (Earman-Norton) hole argument 2020年3月20日 星期五 下午8:40 | ScienceDirect Publication: Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern PhysicsScienceDirect RSShttps://www.sciencedirect.com/journal/studies-in-history-and-philosophy-of-science-part-b-studies-in-history-and-philosophy-of-modern-physicsRSS for NodeWed, 24 Jul 2019 09:46:42 GMTCopyright © 2019 Elsevier Ltd. All rights reservedImprints of the underlying structure of physical theoriesPublication date: Available online 12 July 2019Source: Studies… Read more →