Volume 63, Number 3, August 2003
|Page(s)||381 - 387|
|Section||Condensed matter: structure, mechanical and thermal properties|
|Published online||01 November 2003|
Local dielectric permittivity near an interface
Department of Chemistry, University of Cambridge - Cambridge CB2 1EW, UK
Accepted: 4 June 2003
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.
PACS: 61.20.Gy – Theory and models of liquid structure / 77.22.Ch – Permittivity (dielectric function)
© EDP Sciences, 2003
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