Time-dependent density functional theory for driven lattice gas systems with interactions

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Author list: Dierl M, Maass P, Einax M

Publisher: IOP Publishing

Place: MULHOUSE

Publication year: 2011

Journal: European Physical Society Letters (0295-5075)

Journal acronym: EPL-EUROPHYS LETT

Volume number: 93

Issue number: 5

Number of pages: 5

ISSN: 0295-5075

eISSN: 1286-4854

Languages: English-Great Britain (EN-GB)

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Abstract

We present a new method to describe the kinetics of driven lattice gases with particle-particle interactions beyond hard-core exclusions. The method is based on the time-dependent density functional theory for lattice systems and allows one to set up closed evolution equations for mean site occupation numbers in a systematic manner. Application of the method to a totally asymmetric site exclusion process with nearest-neighbor interactions yields predictions for the current-density relation in the bulk, the phase diagram of non-equilibrium steady states and the time evolution of density profiles that are in good agreement with results from kinetic Monte Carlo simulations. Copyright (c) EPLA, 2011

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