Large deviations in boundary-driven systems: Numerical evaluation and effective large-scale behavior

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Abstract

We study rare events in systems of diffusive fields driven out of equilibrium by the boundaries. We present a numerical technique and use it to calculate the probabilities of rare events in one and two dimensions. Using this technique, we show that the probability density of a slowly varying configuration can be captured with a small number of long-wavelength modes. For a configuration which varies rapidly in space this description can be complemented by a local-equilibrium assumption.

Original languageEnglish
Article number20002
JournalEPL
Volume99
Issue number2
DOIs
StatePublished - Jul 2012

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy

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