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Absolute negative mobility (ANM) is one of the most paradoxical transport phenomena in which a setup moves on average in a direction opposite to the applied force. According to the state of the art a minimal system exhibiting this effect in…

统计力学 · 物理学 2026-03-09 K. Białas , P. Hänggi , J. Spiechowicz

We propose a simple classical concept of nanodevices working in an absolute negative mobility (ANM) regime: The minimal spatial asymmetry required for ANM to occur is embedded in the geometry of the transported particle, rather than in the…

统计力学 · 物理学 2015-05-20 Peter Hanggi , Fabio Marchesoni , Sergey Savel'ev , Gerhard Schmid

Absolute negative mobility (ANM) refers to the situation where the average velocity of a driven tracer is opposite to the direction of the driving force. This effect was evidenced in different models of nonequilibrium transport in complex…

软凝聚态物质 · 物理学 2023-05-31 Pierre Rizkallah , Alessandro Sarracino , Olivier Bénichou , Pierre Illien

Instances of negative mobility, where a system responds to a perturbation in a way opposite to naive expectation, have been studied theoretically and experimentally in numerous nonequilibrium systems. In this work we show that Absolute…

统计力学 · 物理学 2018-03-14 J. Cividini , D. Mukamel , H. A. Posch

A novel transport phenomenon is identified that is induced by inertial Brownian particles which move in simple one-dimensional, symmetric periodic potentials under the influence of both a time periodic and a constant, biasing driving force.…

软凝聚态物质 · 物理学 2007-06-13 L. Machura , M. Kostur , P. Talkner , J. Luczka , P. Hanggi

Absolute negative mobility is one of the most paradoxical forms of anomalous transport behaviour. At the first glance it contradicts the superposition principle and the second law of thermodynamics, however, its fascinating nature bridges…

统计力学 · 物理学 2022-07-06 Mateusz Wiśniewski , Jakub Spiechowicz

Anomalous transport of non-Markovian, thermal Brownian particle dynamics in spatially-periodic symmetric systems that is driven by time-periodic symmetric driving and constant bias is investigated numerically. The Brownian dynamics is…

超导电性 · 物理学 2010-10-26 M. Kostur , J. Luczka , P. Hanggi

For systems out of equilibrium and subjected to a static bias force it can often be expected that particle transport will usually follow the direction of this bias. However, counter-examples exist where particles exhibit uphill motion…

混沌动力学 · 物理学 2013-10-04 Colm Mulhern

Driven particles in presence of crowded environment, obstacles or kinetic constraints often exhibit negative differential mobility (NDM) due to their decreased dynamical activity. We propose a new mechanism for complex many-particle systems…

统计力学 · 物理学 2018-06-06 Amit Kumar Chatterjee , Urna Basu , P. K. Mohanty

We study, via extensive numerical simulations, the force-velocity curve of an active particle advected by a steady laminar flow, in the nonlinear response regime. Our model for an active particle relies on a colored noise term that mimics…

统计力学 · 物理学 2018-06-07 F. Cecconi , A. Puglisi , A. Sarracino , A. Vulpiani

D. B. Br\"{u}ckner et al. [Phys. Rev. Lett. 125, 058103 (2020)] have described a novel method for inferring the dynamics of systems governed by an underdamped Langevin equation in the presence of measurement noise. While this is a…

统计力学 · 物理学 2026-04-10 Yeeren I. Low

We study impact of inertia on directed transport of a Brownian particle under non-equilibrium conditions: the particle moves in a one-dimensional periodic and symmetric potential, is driven by both an unbiased time-periodic force and a…

统计力学 · 物理学 2021-03-25 Aleksandra Słapik , Jerzy Łuczka , Jakub Spiechowicz

The scaling of the mobility of two-dimensional Langevin dynamics in a periodic potential as the friction vanishes is not well understood for non-separable potentials. Theoretical results are lacking, and numerical calculation of the…

数学物理 · 物理学 2022-06-22 G. A. Pavliotis , G. Stoltz , U. Vaes

Transport of an inertial particle advected by a two-dimensional steady laminar flow is numerically investigated in the presences of a constant force and a periodic potential. Within particular parameter regimes this system exhibits absolute…

软凝聚态物质 · 物理学 2018-10-26 Bao-quan Ai , Wei-jing Zhu , Ya-feng He , Wei-rong Zhong

In this article, we provide detailed analysis of the long-time behavior of the underdamped Langevin dynamics. We first provide a necessary condition guaranteeing that the zero-noise dynamical system converges to its unique attractor. We…

概率论 · 数学 2026-03-17 Seungwoo Lee , Mouad Ramil , Insuk Seo

We consider the motion of an underdamped Brownian particle in a tilted periodic potential in a wide temperature range. Based on the previous data [1] and the new simulation results we show that the underdamped motion of particles in…

统计力学 · 物理学 2013-07-17 I. G. Marchenko , I. I. Marchenko , A. V. Zhiglo

It is quite generally assumed that the overdamped Langevin equation provides a quantitative description of the dynamics of a classical Brownian particle in the long time limit. We establish and investigate a paradigm anomalous diffusion…

统计力学 · 物理学 2016-09-26 A. S. Bodrova , A. V. Chechkin , A. G. Cherstvy , H. Safdari , I. M. Sokolov , R. Metzler

In this paper, we consider the generalised (higher order) Langevin equation for the purpose of simulated annealing and optimisation of nonconvex functions. Our approach modifies the underdamped Langevin equation by replacing the Brownian…

概率论 · 数学 2023-11-01 Martin Chak , Nikolas Kantas , Grigorios A. Pavliotis

We present a simple model of an overdamped particle moving on a two dimensional symmetric periodic substrate with a dc drive in the longitudinal direction and additional ac drives in both the longitudinal and transverse directions. For…

统计力学 · 物理学 2009-11-07 C. Reichhardt , C. J. Olson Reichhardt

We study functionals, such as heat and work, along trajectories of a class of multi-dimensional generalized Langevin systems in various limiting situations that correspond to different level of homogenization. These are the situations where…

概率论 · 数学 2021-02-25 Soon Hoe Lim
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