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arxiv: cond-mat/0304062 · v1 · submitted 2003-04-02 · ❄️ cond-mat.stat-mech · cond-mat.soft

Local dielectric permittivity near an interface

classification ❄️ cond-mat.stat-mech cond-mat.soft
keywords interfacenearpermittivitydielectriclocalagreeasymptoticbehaviour
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A statistical mechanics expression is derived for the space-dependent dielectric permittivity of a polar solvent near an interface. The asymptotic behaviour of this local permittivity is calculated in the low density limit, near a planar interface. The potential of mean force between two ions is shown to agree with the prediction of macroscopic electrostatics for large separations parallel to the interface.

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