Single-file diffusion with non-thermal initial conditions

Ludvig Lizana, Michael A. Lomholt, Tobias Ambjörnsson

Research output: Contribution to journalArticlepeer-review

12 Citations (SciVal)


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.
Original languageEnglish
Pages (from-to)148-153
JournalPhysica A: Statistical Mechanics and its Applications
Publication statusPublished - 2014

Subject classification (UKÄ)

  • Biophysics


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


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