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Issue 42, 2016
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Mean-field beyond mean-field: the single particle view for moderately to strongly coupled charged fluids

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Abstract

In a counter-ion only charged fluid, Coulomb coupling is quantified by a single dimensionless parameter. Yet, the theoretical treatment of moderately to strongly coupled charged fluids is a difficult task, central to the understanding of a wealth of soft matter problems, including biological systems. We show that the corresponding coupling regime can be remarkably well described by a single particle treatment, which, at variance with previous works, takes due account of inter-ionic interactions. To this end, the prototypical problem of a planar charged dielectric interface is worked out. Testing our predictions against Monte Carlo simulation data reveals an excellent agreement.

Graphical abstract: Mean-field beyond mean-field: the single particle view for moderately to strongly coupled charged fluids

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Publication details

The article was received on 14 Jun 2016, accepted on 15 Sep 2016 and first published on 29 Sep 2016


Article type: Paper
DOI: 10.1039/C6SM01360K
Citation: Soft Matter, 2016,12, 8768-8773
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    Mean-field beyond mean-field: the single particle view for moderately to strongly coupled charged fluids

    L. Šamaj, A. P. dos Santos, Y. Levin and E. Trizac, Soft Matter, 2016, 12, 8768
    DOI: 10.1039/C6SM01360K

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