Derivation and validation of mesoscopic theories for diffusion of interacting molecules

Publication Date

2000

Journal or Book Title

PHYSICAL REVIEW LETTERS

Abstract

A mesoscopic theory for diffusion of molecules interacting with a long-range potential is derived for Arrhenius microscopic dynamics. Gradient Monte Carlo simulations are presented on a one-dimensional lattice to assess the validity of the mesoscopic theory. Results are compared for Metropolis and Arrhenius microscopic dynamics. Non-Fickian behavior is demonstrated and it is shown that microscopic dynamics dictate the steady-state concentration profiles.

Comments

The published version is located at http://prl.aps.org/abstract/PRL/v85/i18/p3898_1

Pages

3898-3901

Volume

85

Issue

18

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