Single-file diffusion with non-thermal initial conditions

Ludvig Lizana, Michael A. Lomholt and Tobias Ambjörnsson

Physica A: Statistical Mechanics and its Applications, 2014, vol. 395, issue C, 148-153

Abstract: Single-file diffusion is a theoretically challenging many-body problem where the calculation of even the simplest observables, e.g. mean square displacement, for a tracer particle requires an elaborate mathematical machinery. There is therefore a need for simple approaches which provide intuitive understandings and predict qualitatively correct behaviours. Here we put forward a scaling-type method which we use to investigate the influence of non-thermal initial conditions on the dynamics of a tracer particle. With our new approach we reproduce, up to scaling, several known long and short time asymptotic results for the tracer particle mean square displacement.

Keywords: Single-file diffusion; Non-thermal effects; Scaling predictions (search for similar items in EconPapers)
Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:395:y:2014:i:c:p:148-153

DOI: 10.1016/j.physa.2013.10.025

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