Brownian motion in fluctuating media

M. Gitterman

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Two-state Brownian motion is considered. One state is subjected to white noise while the other one is exposed to dichotomous noise. Such motion is described by a set of three connected Fokker-Planck equations. The switch probability density functions between the states are assumed to have a single exponential form. The equations for the partial moments of the particle velocity are solved recursively. The first moment vanishes as t→ while the second moment defines the effective diffusion coefficient. Estimates have been made of the Brownian motion near the critical point.

Original languageEnglish
Pages (from-to)303-306
Number of pages4
JournalPhysical Review E
Volume52
Issue number1
DOIs
StatePublished - 1995

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