Interacting single-file system: Fractional Langevin formulation versus diffusion-noise approach
arXiv:1502.04516 · doi:10.1142/S1793048014400050
Abstract
We review the latest advances in the analytical modelling of single file diffusion. We focus first on the derivation of the fractional Langevin equation that describes the motion of a tagged file particle. We then propose an alternative derivation of the very same stochastic equation by starting from the diffusion-noise formalism for the time evolution of the file density.
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