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The Mass Density approach to GRW (GRWm for short) has been widely discussed in the quantum foundations literature. A crucial feature of GRWm is the introduction of a relation of accessibility for mass, which allows to explain the…

量子物理 · 物理学 2022-01-10 Cristian Mariani

A generalization of the results of Rasetti and Zanardi concerning avoiding errors in quantum computers by using states preserved by evolution is presented. The concept of dynamical symmetry is generalized from the level of classical Lie…

量子物理 · 物理学 2016-09-08 Micho Durdevich , Hanna E. Makaruk , Robert Owczarek

The Ghirardi-Rimini-Weber (GRW) theory of spontaneous wave function collapse is known to provide a quantum theory without observers, in fact two different ones by using either the matter density ontology (GRWm) or the flash ontology (GRWf).…

量子物理 · 物理学 2013-02-13 Sheldon Goldstein , Roderich Tumulka , Nino Zanghi

Both classical and wave-mechanical monochromatic waves may be treated in terms of exact ray-trajectories (encoded in the structure itself of Helmholtz-like equations) whose mutual coupling is the one and only cause of any diffraction and…

量子物理 · 物理学 2019-01-08 Adriano Orefice , Raffaele Giovanelli , Domenico Ditto

In Phys. Rev. Lett. 113, 120404 (2014) [arXiv:1403.2362], Ferrie and Combes claim that weak values could be a statistical artifact caused by correlations between the disturbance and the post-selection condition imposed on the output. In…

量子物理 · 物理学 2014-11-24 Holger F. Hofmann , Masataka Iinuma , Yutaka Shikano

Hagelstein and Chaudhary have recently criticized our low energy nuclear reaction rates in chemical cells based on our computed electron mass renormalization for surface electrons of metal hydride electrodes. They further criticize our…

量子物理 · 物理学 2008-02-05 A. Widom , Y. N. Srivastava , L. Larsen

We demonstrate that learning procedures that rely on aggregated labels, e.g., label information distilled from noisy responses, enjoy robustness properties impossible without data cleaning. This robustness appears in several ways. In the…

机器学习 · 统计学 2026-05-26 Chen Cheng , John Duchi

It has been recently claimed [arXiv:1102.3434] that quantum gravity models where the number of dimensions reduces at the ultraviolet exhibit a potentially observable cutoff in the primordial gravitational wave spectrum, and that this is a…

广义相对论与量子宇宙学 · 物理学 2011-10-18 Thomas P. Sotiriou , Matt Visser , Silke Weinfurtner

The possibility of dissipative contributions to the mass flux is considered in detail. A general, thermodynamically consistent framework is developed to obtain such terms, the compatibility of which with general principles is then…

流体动力学 · 物理学 2010-11-10 Hans Christian Öttinger , Henning Struchtrup , Mario Liu

In the general context of computable metric spaces and computable measures we prove a kind of constructive Borel-Cantelli lemma: given a sequence (constructive in some way) of sets $A_{i}$ with effectively summable measures, there are…

经典分析与常微分方程 · 数学 2008-06-30 Stefano Galatolo , Mathieu Hoyrup , Cristobal Rojas

L. Soukup formulated an abstract framework in his introductory paper for proving theorems about uncountable graphs by subdividing them by an increasing continuous chain of elementary submodels. The applicability of this method relies on the…

组合数学 · 数学 2023-07-13 Attila Joó

In this paper, we study the nonexistence of global weak solutions for a wave equation with nonlinear memory and damping terms. We give an answer to an open problem posed in [M. D'Abbicco, A wave equation with structural damping and…

偏微分方程分析 · 数学 2024-12-20 Quanguo Zhang

This paper develops an improved surrogate data test to show experimental evidence, for all the simple vowels of US English, for both male and female speakers, that Gaussian linear prediction analysis, a ubiquitous technique in current…

混沌动力学 · 物理学 2019-10-23 Max Little , Patrick E. McSharry , Irene M. Moroz , Stephen J. Roberts

An experiment is described that empirically distinguishes the previously proposed q-rules governing the collapse of a wave function, and contrasts it with the conventional idea of a collapse as well as the current leading theory of collapse…

量子物理 · 物理学 2011-11-15 Richard A. Mould

According to Einstein, the trajectory of a particle that is predicted by special relativistic mechanics is well approximated by the trajectory predicted by Newtonian mechanics if the particle speed is low, i.e., much less than the speed of…

经典物理 · 物理学 2015-06-26 Boon Leong Lan

It has been claimed that the observed magnitude of the vacuum energy density is consistent with the distribution predicted in anthropic models, in which an ensemble of universes is assumed. This calculation is revisited, without making the…

天体物理学 · 物理学 2009-06-23 J. A. Peacock

Among several possibilities for what reality could be like in view of the empirical facts of quantum mechanics, one is provided by theories of spontaneous wave function collapse, the best known of which is the Ghirardi-Rimini-Weber (GRW)…

量子物理 · 物理学 2016-06-07 Charles Wesley Cowan , Roderich Tumulka

We develop a rigorous treatment of discontinuous stochastic unitary evolution for a system of quantum particles that interacts singularly with quantum "bubbles" at random instants of time. This model of a "cloud chamber" allows to watch and…

数学物理 · 物理学 2007-05-23 V. P. Belavkin

In our recent letter [1] we discussed that thermodynamics is violated in quantum Brownian motion beyond the weak coupling limit. In his comment, Tasaki [2] derives an inequality for the relative entropy and claims, without making any…

统计力学 · 物理学 2007-05-23 A. E. Allahverdyan , Th. M. Nieuwenhuizen

Thanks to the tractability of their likelihood, several deep generative models show promise for seemingly straightforward but important applications like anomaly detection, uncertainty estimation, and active learning. However, the…

机器学习 · 计算机科学 2022-01-19 Charline Le Lan , Laurent Dinh