Unidirectional hopping transport of interacting particles on a finite chain

Journal article

Authors/Editors

Einax, Mario

Research Areas

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Publication Details

Author list: Einax M, Solomon GC, Dieterich W, Nitzan A

Publisher: American Institute of Physics

Place: MELVILLE

Publication year: 2010

Journal: The Journal of Chemical Physics (0021-9606)

Journal acronym: J CHEM PHYS

Volume number: 133

Issue number: 5

Number of pages: 12

ISSN: 0021-9606

eISSN: 1089-7690

Languages: English-Great Britain (EN-GB)

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Abstract

Particle transport through an open, discrete one-dimensional channel against a mechanical or chemical bias is analyzed within a master equation approach. The channel, externally driven by time-dependent site energies, allows multiple occupation due to the coupling to reservoirs. Performance criteria and optimization of active transport in a two-site channel are discussed as a function of reservoir chemical potentials, the load potential, interparticle interaction strength, driving mode, and driving period. Our results, derived from exact rate equations, are used in addition to test a previously developed time-dependent density functional theory, suggesting a wider applicability of that method in investigations of many particle systems far from equilibrium. (C) 2010 American Institute of Physics. [doi:10.1063/1.3463000]

Keywords

free energy, liquid-liquid transformations, phase diagrams, surface energy, surface tension

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