Dipolar Poisson-Boltzmann Equation: Ions and Dipoles Close to Charged Surfaces
Soft Condensed Matter
2012-01-31 v1 Statistical Mechanics
Abstract
We present an extension to the Poisson-Boltzmann model where the dipolar features of solvent molecules are taken explicitly into account. The formulation is derived at mean-field level and can be extended to any order in a systematic expansion. It is applied to a two-plate system with oppositely charged surfaces. The ion distribution and profiles in the dipolar order parameter are calculated and can result in a large correction to the inter-plate pressure.
Keywords
Cite
@article{arxiv.0705.1269,
title = {Dipolar Poisson-Boltzmann Equation: Ions and Dipoles Close to Charged Surfaces},
author = {Ariel Abrashkin and David Andelman and Henri Orland},
journal= {arXiv preprint arXiv:0705.1269},
year = {2012}
}
Comments
4 pages, 2 figures