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Publication
Physical Review B
Paper
Brownian motion of interacting and noninteracting particles subject to a periodic potential and driven by an external field
Abstract
We discuss the mean-velocity field characteristic associated with the Brownian motion of interacting and noninteracting particles subject to a periodic potential and driven by an external field. This is carried out by means of the Smoluchowski equation and its first correction and by means of a molecular-dynamics technique. Moreover, we explore the phase-transition-threshold analogy and demonstrate that the critical exponents are not affected by the first correction term and the interaction. © 1978 The American Physical Society.