Bath-mediated interactions between driven tracers in dense single files

Single-file transport, where particles cannot bypass each other, has been observed in various experimental setups. In such systems, the behavior of a tracer particle (TP) is subdiffusive, which originates from strong correlations between particles. These correlations are especially marked when the T...

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Main Authors: Alexis Poncet, Olivier Bénichou, Vincent Démery, Gleb Oshanin
Format: Article
Language:English
Published: American Physical Society 2019-11-01
Series:Physical Review Research
Online Access:http://doi.org/10.1103/PhysRevResearch.1.033089
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author Alexis Poncet
Olivier Bénichou
Vincent Démery
Gleb Oshanin
author_facet Alexis Poncet
Olivier Bénichou
Vincent Démery
Gleb Oshanin
author_sort Alexis Poncet
collection DOAJ
description Single-file transport, where particles cannot bypass each other, has been observed in various experimental setups. In such systems, the behavior of a tracer particle (TP) is subdiffusive, which originates from strong correlations between particles. These correlations are especially marked when the TP is driven and leads to inhomogeneous density profiles. Determining the impact of this inhomogeneity when several TPs are driven in the system is a key question, related to the general issue of bath-mediated interactions, which are known to induce collective motion and lead to the formation of clusters or lanes in a variety of systems. Quantifying this collective behavior, the emerging interactions, and their dependence on the amplitude of forces driving the TPs remains a challenging but largely unresolved issue. Here, considering dense single-file systems, we analytically determine the entire dynamics of the correlations and reveal out-of-equilibrium cooperativity and competition effects between driven TPs.
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spelling doaj.art-f1b8953a9e66441cb60039512ec968512024-04-12T16:46:47ZengAmerican Physical SocietyPhysical Review Research2643-15642019-11-011303308910.1103/PhysRevResearch.1.033089Bath-mediated interactions between driven tracers in dense single filesAlexis PoncetOlivier BénichouVincent DémeryGleb OshaninSingle-file transport, where particles cannot bypass each other, has been observed in various experimental setups. In such systems, the behavior of a tracer particle (TP) is subdiffusive, which originates from strong correlations between particles. These correlations are especially marked when the TP is driven and leads to inhomogeneous density profiles. Determining the impact of this inhomogeneity when several TPs are driven in the system is a key question, related to the general issue of bath-mediated interactions, which are known to induce collective motion and lead to the formation of clusters or lanes in a variety of systems. Quantifying this collective behavior, the emerging interactions, and their dependence on the amplitude of forces driving the TPs remains a challenging but largely unresolved issue. Here, considering dense single-file systems, we analytically determine the entire dynamics of the correlations and reveal out-of-equilibrium cooperativity and competition effects between driven TPs.http://doi.org/10.1103/PhysRevResearch.1.033089
spellingShingle Alexis Poncet
Olivier Bénichou
Vincent Démery
Gleb Oshanin
Bath-mediated interactions between driven tracers in dense single files
Physical Review Research
title Bath-mediated interactions between driven tracers in dense single files
title_full Bath-mediated interactions between driven tracers in dense single files
title_fullStr Bath-mediated interactions between driven tracers in dense single files
title_full_unstemmed Bath-mediated interactions between driven tracers in dense single files
title_short Bath-mediated interactions between driven tracers in dense single files
title_sort bath mediated interactions between driven tracers in dense single files
url http://doi.org/10.1103/PhysRevResearch.1.033089
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AT gleboshanin bathmediatedinteractionsbetweendriventracersindensesinglefiles