Single File Diffusion enhancement in a fluctuating modulated 1D channel

Details Single File Diffusion enhancement in a fluctuating modulated 1D channel Single File Diffusion enhancement in a fluctuating modulated 1D channel

2006-10-19

arxiv.org/abs/cond-mat/0610545v1

Europhys. Lett. 77, 60001 (2007)

Physics

Condensed Matter

Statistical Mechanics

4 pages, 4 figures

Scientific paper

10.1209/0295-5075/77/60001

We show that the diffusion of a single file of particles moving in a fluctuating modulated 1D channel is enhanced with respect to the one in a bald pipe. This effect, induced by the fluctuations of the modulation, is favored by the incommensurability between the channel potential modulation and the moving file periodicity. This phenomenon could be of importance in order to optimize the critical current in superconductors, in particular in the case where mobile vortices move in 1D channels designed by adapted patterns of pinning sites.

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