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Weekly Papers on Quantum Foundations (6)

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 (4)

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)

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 →

Weekly Papers on Quantum Foundations (2)

Evil Twins and the Multiverse: Distinguishing the World of Difference between Epistemic and Physical Possibility  Philsci-Archive: No conditions. Results ordered -Date Deposited. on 2019-1-12 1:39am GMT Satta, Mark (2019) Evil Twins and the Multiverse: Distinguishing the World of Difference between Epistemic and Physical Possibility. [Preprint] Arrow(s) of Time without a Past Hypothesis  Philsci-Archive: No conditions. Results ordered -Date Deposited. on… Read more →

Weekly Papers on Quantum Foundations (1)

Signs of Dynamical Dark Energy in Current Observations. (arXiv:1811.03505v3 [astro-ph.CO] UPDATED)  hep-th updates on arXiv.org on 2019-1-05 2:18am GMT Authors: Joan Sola, Adria Gomez-Valent, Javier de Cruz Perez Investigations on dark energy (DE) are currently inconclusive about its time evolution. Hints of this possibility do however glow now and then in the horizon. Herein we assess the current status of dynamical dark energy… Read more →

Weekly Papers on Quantum Foundations (52)

OBITUARY FOR HEINZ-DIETER ZEH (1932 — 2018)  International Journal of Quantum Foundations – International Journal of Quantum Foundations on 2018-12-29 9:42am GMT Volume 5, Issue 1, pages 11-15 Claus Kiefer [Show Biography] Claus Kiefer studied physics and astronomy at the Universities of Heidelberg and Vienna. He earned his PhD from Heidelberg University in 1988 under the supervision of H.-Dieter Zeh. He has… Read more →

Weekly Papers on Quantum Foundations (51)

Triply Positive Matrices and Quantum Measurements Motivated by QBism. (arXiv:1812.08762v1 [quant-ph])  quant-ph updates on arXiv.org on 2018-12-22 3:56am GMT Authors: John B. DeBrota, Christopher A. Fuchs, Blake C. Stacey We study a class of quantum measurements that furnish probabilistic representations of finite-dimensional quantum theory. The Gram matrices associated with these Minimal Informationally Complete quantum measurements (MICs) exhibit a rich structure. They are “positive”… Read more →

Weekly Papers on Quantum Foundations (50)

Why we cannot see the tails of Schrödinger’s cat  Philsci-Archive: No conditions. Results ordered -Date Deposited. on 2018-12-15 4:13am GMT Gao, Shan (2018) Why we cannot see the tails of Schrödinger’s cat. [Preprint] QBism and the Ithaca Desiderata. (arXiv:1812.05549v1 [quant-ph])  quant-ph updates on arXiv.org on 2018-12-15 1:27am GMT Authors: Blake C. Stacey In 1996, N. David Mermin proposed a set of… Read more →

Weekly Papers on Quantum Foundations (49)

Non-locality in intrinsic topologically ordered systems  ScienceDirect Publication: Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics on 2018-12-08 7:55am GMT Publication date: Available online 7 December 2018 Source: Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics Author(s): Jonathan Bain Abstract Intrinsic topologically ordered… Read more →

Weekly Papers on Quantum Foundations (48)

Complete list of Bell inequalities with four binary settings. (arXiv:1811.11820v1 [quant-ph])  quant-ph updates on arXiv.org on 2018-12-01 1:20am GMT Authors: E. Zambrini Cruzeiro, N. Gisin We give the complete list of 175 facet Bell inequalities for the case where Alice and Bob each choose their measurements from a set of four binary outcome measurements. For each inequality we compute the maximum quantum… Read more →

Weekly Papers on Quantum Foundations (47)

Does the PBR Theorem Rule out a Statistical Understanding of QM?  Latest Results for Foundations of Physics on 2018-12-01 12:00am GMT Abstract The PBR theorem gives insight into how quantum mechanics describes a physical system. This paper explores PBRs’ general result and shows that it does not disallow the ensemble interpretation of quantum mechanics and maintains, as it must, the… Read more →