中文
相关论文

相关论文: Two theorems that relate discrete stochastic proce…

200 篇论文

We provide a detailed multiscale analysis of a system of particles interacting through a dynamical network of links. Starting from a microscopic model, via the mean field limit, we formally derive coupled kinetic equations for the particle…

偏微分方程分析 · 数学 2016-07-14 Julien Barré , Pierre Degond , Ewelina Zatorska

This paper establishes limit theorems for a class of stochastic hybrid systems (continuous deterministic dynamic coupled with jump Markov processes) in the fluid limit (small jumps at high frequency), thus extending known results for jump…

概率论 · 数学 2010-01-15 K. Pakdaman , M. Thieullen , G. Wainrib

Splitting probabilities quantify the likelihood of a given outcome out of competitive events. This key observable of random walk theory, historically introduced as the gambler's ruin problem, is well understood for memoryless (Markovian)…

统计力学 · 物理学 2025-04-01 M. Dolgushev , T. V. Mendes , B. Gorin , K. Xie , N. Levernier , O. Bénichou , H. Kellay , R. Voituriez , T. Guérin

We examine a classically-chaotic system consisting of two reservoirs of particles connected by a channel containing oscillating potential-energy barriers. We investigate whether such a system can preferentially pump particles from one…

In these Lecture Notes we aim at clarifying how soft matter physics, and herein notably statistical mechanics and fluid mechanics, can be engaged to understand and manipulate non-equilibrium systems consisting of numerous (microscopic)…

软凝聚态物质 · 物理学 2025-05-27 Jean-François Joanny , Joseph O. Indekeu

We explore how the existence of a field with a heavy mass influences the low energy dynamics of a quantum field with a light mass by expounding the stochastic characters of their interactions which take on the form of fluctuations in the…

高能物理 - 理论 · 物理学 2008-11-26 E. Calzetta , B-L. Hu

We study a model of rolling particles subject to stochastic fluctuations, which may be relevant in systems of nano- or micro-scale particles where rolling is an approximation for strong static friction. We consider the simplest possible…

数学物理 · 物理学 2016-10-04 Miranda Holmes-Cerfon

The main goal of these notes is to give an introduction to the mathematics of quantum noise and some of its applications in non-equilibrium statistical mechanics. We start with some reminders from the theory of classical stochastic…

数学物理 · 物理学 2024-07-08 Soon Hoe Lim

Dynamic facilitation theory assumes short-ranged dynamic constraints to be the essential feature of supercooled liquids and draws much of its conclusions from the study of kinetically constrained models. While deceptively simple, these…

材料科学 · 物理学 2012-06-12 Thomas Speck , David Chandler

To study the dynamics of chemical processes, we often adopt rate equations to observe the change in chemical concentrations. However, when the number of the molecules is small, the fluctuations cannot be neglected. We often study the…

化学物理 · 物理学 2007-05-23 Yuichi Togashi , Kunihiko Kaneko

The dynamics of particles moving in a medium defined by its relativistically invariant stochastic properties is investigated. For this aim, the force exerted on the particles by the medium is defined by a stationary random variable as a…

量子物理 · 物理学 2009-11-11 Alejandro Cabo-Bizet , Alejandro Cabo Montes de Oca

We consider a Parity-time (PT) invariant non-Hermitian quasi-exactly solvable (QES) potential which exhibits PT phase transition. We numerically study this potential in a complex plane classically to demonstrate different quantum effects.…

量子物理 · 物理学 2015-09-25 Bhabani Prasad Mandal , Sushant S. Mahajan

We investigate the statistics of the fluctuations of the energy transfer between an overdamped Brownian particle, whose motion is confined by a stationary harmonic potential, and a surrounding viscoelastic fluid at constant temperature. We…

统计力学 · 物理学 2023-10-19 Farshad Darabi , Brandon R. Ferrer , Juan Ruben Gomez-Solano

I give a highly selective overview of the way statistical mechanics explains the microscopic origins of the time asymmetric evolution of macroscopic systems towards equilibrium and of first order phase transitions in equilibrium. These…

数学物理 · 物理学 2009-10-31 Joel L. Lebowitz

The physics of particle acceleration in turbulent plasmas is a topic of broad interest, which is making rapid progress thanks to dedicated, large-scale numerical experiments. The first part of this paper presents an effective theory of…

等离子体物理 · 物理学 2025-07-08 M. Lemoine

Maintaining the position that the wave function $\psi$ provides a complete description of state, the traditional formalism of quantum mechanics is augmented by introducing continuous trajectories for particles which are sample paths of a…

量子物理 · 物理学 2007-05-23 Tulsi Dass

Systematic deflection of microparticles off of initial streamlines is a fundamental task in microfluidics, aiming at applications including sorting, accumulation, or capture of the transported particles. In a large class of setups,…

流体动力学 · 物理学 2026-04-01 Partha Kumar Das , Xuchen Liu , Sascha Hilgenfeldt

We present a mechanistic model for a Newtonian fluid called fluid particle dynamics. By analyzing the concept of ``fluid particle'' from the point of view of a Voronoi tessellation of a molecular fluid, we propose an heuristic derivation of…

统计力学 · 物理学 2009-10-30 Pep Español

Non-equilibrium thermodynamics can provide strong advantages when compared to more standard equilibrium situations. Here, we present a general framework to study its application to concrete problems, which is valid also beyond the…

量子物理 · 物理学 2023-03-16 Qiongyuan Wu , Matteo Carlesso

General discrete one-dimensional stochastic models to describe the transport of single molecules along coupled parallel lattices with period $N$ are developed. Theoretical analysis that allows to calculate explicitly the steady-state…

软凝聚态物质 · 物理学 2009-11-11 Evgeny B. Stukalin , Anatoly B. Kolomeisky