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Published on: June 24, 2016
Backward-to-forward jump rates on a tilted periodic substrate
1Dipartimento di Fisica and Istituto Nazionale di Fisica Nucleare, Universita di Perugia, I-06100 Perugia, Italy.
Abstract:
Driven diffusion of a Brownian particle along a one-dimensional lattice is investigated numerically on decreasing its damping constant. The notions of multiple jumps, jump reversal, and backward-to-forward rates are discussed in detail. In particular, we conclude that in the underdamped limit backward jumps are suppressed relative to forward jumps more effectively than previously assumed. The dependence of such a drive-controlled mechanism on the damping constant and the temperature is interpreted analytically.
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