Langevin trajectories between fixed concentrations

B. Nadler, Z. Schuss, A. Singer

Research output: Contribution to journalArticle

17 Scopus citations

Abstract

We consider the trajectories of particles diffusing between two infinite baths of fixed concentrations connected by a channel, e.g., a protein channel of a biological membrane. The steady state influx and efflux of Langevin trajectories at the boundaries of a finite volume containing the channel and parts of the two baths is replicated by termination of outgoing trajectories and injection according to a residual phase space density. We present a simulation scheme that maintains averaged fixed concentrations without creating spurious boundary layers, consistent with the assumed physics.

Original languageEnglish (US)
Article number218101
JournalPhysical review letters
Volume94
Issue number21
DOIs
StatePublished - Jun 3 2005
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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