Interaction-controlled Brownian motion in a tilted periodic potential.
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.
Evstigneev
Mykhaylo
M
Fakultät für Physik, Universität Bielefeld, 33615 Bielefeld, Germany. mykhaylo@physik.uni-bielefeld.de
von Gehlen
Sebastian
S
Reimann
Peter
P