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Phys Rev E Stat Nonlin Soft Matter Phys. 2009 Jan;79(1):011116. doi: 10.1103/PhysRevE.79.011116. Epub 2009 Jan 14.

Interaction-controlled Brownian motion in a tilted periodic potential.

Physical review. E, Statistical, nonlinear, and soft matter physics

Mykhaylo Evstigneev, Sebastian von Gehlen, Peter Reimann

Affiliations

  1. Fakultät für Physik, Universität Bielefeld, 33615 Bielefeld, Germany. [email protected]

PMID: 19257010 DOI: 10.1103/PhysRevE.79.011116

Abstract

The drift and diffusion of a few interacting, overdamped Brownian particles in a tilted periodic potential are studied analytically and numerically. Both quantities exhibit a complex multipeaked structure as a function of the equilibrium interparticle separation. Upon variation of the interaction strength, both drift and diffusion may exhibit a nonmonotonic, resonancelike behavior.

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