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Photo of Tobias Ambjörnsson

Tobias Ambjörnsson

Senior lecturer

Photo of Tobias Ambjörnsson

Single-file diffusion with non-thermal initial conditions

Author

  • Ludvig Lizana
  • Michael A. Lomholt
  • Tobias Ambjörnsson

Summary, in English

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. (C) 2013 Elsevier B.V. All rights reserved.

Department/s

  • Computational Biology and Biological Physics - Has been reorganised

Publishing year

2014

Language

English

Pages

148-153

Publication/Series

Physica A: Statistical Mechanics and its Applications

Volume

395

Document type

Journal article

Publisher

Elsevier

Topic

  • Biophysics
  • Other Physics Topics

Keywords

  • Single-file diffusion
  • Non-thermal effects
  • Scaling predictions

Status

Published

ISBN/ISSN/Other

  • ISSN: 0378-4371