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A white noise quantum stochastic calculus is developped using classical measure theory as mathematical tool. Wick's and Ito's theorems have been established. The simplest quantum stochastic differential equation has been solved, unicity and…

算子代数 · 数学 2008-06-24 Wilhelm von Waldenfels

In this paper, we introduce and motivate the studies of Quantum Weyl Gravity (also known as Conformal Gravity). We discuss some appealing features of this theory both on classical and quantum level. The construction of the quantum theory is…

高能物理 - 理论 · 物理学 2021-07-16 Lesław Rachwał , Stefano Giaccari

We give an overview and conceptual discussion of some of our results on contextuality and non-locality. We focus in particular on connections with the work of Itamar Pitowsky on correlation polytopes, Bell inequalities, and Boole's…

量子物理 · 物理学 2020-10-27 Samson Abramsky

We establish explicit integral tests for spatial asymptotic behaviors of fractional stochastic heat equations driven by additive L\'evy white noise. Our results indicate that fractional stochastic heat equations enjoy the so-called additive…

概率论 · 数学 2024-05-21 Yuichi Shiozawa , Jian Wang

Bell tests are of profound statistical nature. Besides physical considerations, the proper understanding of their implications should involve detailed statistical analyses. In this regard, recent works have shown that their consequences and…

量子物理 · 物理学 2025-06-10 Alfredo Luis

We study the distribution over measurement outcomes of noisy random quantum circuits in the low-fidelity regime. We show that, for local noise that is sufficiently weak and unital, correlations (measured by the linear cross-entropy…

量子物理 · 物理学 2021-12-01 Alexander M. Dalzell , Nicholas Hunter-Jones , Fernando G. S. L. Brandão

This survey, aimed at information processing researchers, highlights intriguing but lesser known results, corrects misconceptions, and suggests research areas. Themes include: certainty in quantum algorithms; the "fewer worlds" theory of…

量子物理 · 物理学 2007-05-23 Eleanor G. Rieffel

We employ some techniques involving projections in a von Neumann algebra to establish some maximal inequalities such as the strong and weak symmetrization, Levy, Levy-Skorohod, and Ottaviani inequalities in the realm of the quantum…

泛函分析 · 数学 2021-07-23 Gh. Sadeghi , M. S. Moslehian , A. Talebi

Random noise plays a beneficial role in cognitive processing and produces measurable improvement in simulations and biological agents' task performance. Stochastic facilitation, the phenomenon of additive noise improving signal transmission…

神经元与认知 · 定量生物学 2018-06-12 J. Andrew Doyle , Alan C. Evans

We study the projection of an element of fractional Gaussian noise onto its neighbouring elements. We prove some analytic results for the coefficients of this projection, in particular, we obtain recurrence relations for them. We also make…

概率论 · 数学 2022-09-07 Yuliya Mishura , Kostiantyn Ralchenko , René L. Schilling

The analysis of a continuous measurement record $z(t)$ poses a fundamental challenge in quantum measurement theory. Different approaches have been used in the past as records can, e.g., exhibit predominantly Gaussian noise, telegraph noise,…

量子物理 · 物理学 2024-06-12 Markus Sifft , Daniel Hägele

The recent discoveries of new forms of quantum statistics require a close look at the under-lying Fock space structure. This exercise becomes all the more important in order to provide a general classification scheme for various forms of…

高能物理 - 理论 · 物理学 2015-06-25 A. K. Mishra , G. Rajasekaran

The advantages of weak measurements, and especially measurements of imaginary weak values, for precision enhancement, are discussed. A situation is considered in which the initial state of the measurement device varies randomly on each run,…

量子物理 · 物理学 2014-07-16 Yaron Kedem

For theoretical approach of quantum measurements it is proposed a set of reconsidered conjectures. The proposed approach implies linear functional transformations for probability density and current but preserves the expressions for…

量子物理 · 物理学 2007-05-23 S. Dumitru

We call attention on the fact that recent unprecedented technological achievements, in particular in the field of quantum optics, seem to open the way to new experimental tests which might be relevant both for the foundational problems of…

量子物理 · 物理学 2009-10-31 GianCarlo Ghirardi

We introduce new function spaces $\mathcal{L}_{W,s}^{q,p}(\mathbb{R}^{n})$ that yield a natural reformulation of the $\ell^{q}L^{p}$ decoupling inequalities for the sphere and the light cone. These spaces are invariant under the Euclidean…

偏微分方程分析 · 数学 2026-05-20 Andrew Hassell , Pierre Portal , Jan Rozendaal , Po-Lam Yung

Searching for a weak signal at an unknown frequency is a canonical task in experiments probing fundamental physics such as gravitational-wave observatories and ultra-light dark matter haloscopes. These state-of-the-art sensors are limited…

Concepts and formalism from acoustics are often used to exemplify quantum mechanics. Conversely, quantum mechanics could be used to achieve a new perspective on acoustics, as shown by Gabor studies. Here, we focus in particular on the study…

声音 · 计算机科学 2020-03-24 Davide Rocchesso , Maria Mannone

We investigate several boundedness properties of function spaces considered as uniform spaces.

一般拓扑 · 数学 2018-02-19 Lubica Hola , Ljubisa D. R. Kocinac

We study the stabilities of quantum states of macroscopic systems, against noises, against perturbations from environments, and against local measurements. We show that the stabilities are closely related to the cluster property, which…

量子物理 · 物理学 2017-08-23 Akira Shimizu , Takayuki Miyadera , Akihisa Ukena