Single File Diffusion enhancement in a fluctuating modulated 1D channel
arXiv:cond-mat/0610545 · doi:10.1209/0295-5075/77/60001
Abstract
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.
4 pages, 4 figures
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- Collective shuttling of attracting particles in asymmetric narrow channels
- Interacting single-file system: Fractional Langevin formulation versus diffusion-noise approach
- Renewal-anomalous-heterogeneous files
- Slow Kinetics of Brownian Maxima
- Anisotropic diffusion in square lattice potentials: giant enhancement and control
- Suppression of thermally activated escape by heating
- Single file diffusion meets Feynman path integral