Strong-coupling electrostatics for two dissimilar charged walls

被引：0

作者：

Samaj, L. ^{[1
,2
]}

Trizac, E. ^{[1
]}

机构：

[1] Univ Paris 11, CNRS, UMR 8626, Lab Phys Theor & Modeles Stat, F-91405 Orsay, France

[2] Slovak Acad Sci, Inst Phys, Bratislava 84511, Slovakia

来源：

PHYSICA B-CONDENSED MATTER | 2012年 / 407卷 / 11期

关键词：

Coulomb systems; Strong coupling; Wigner Crystal; ELECTRICAL DOUBLE-LAYER; POISSON-BOLTZMANN; CONFINED GEOMETRIES; MULTIVALENT IONS; MACROION; ATTRACTION; SYSTEM; COUNTERIONS; SIMULATIONS; INVERSION;

D O I：

10.1016/j.physb.2012.01.073

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We study the effective interaction between two parallel charged plates, modelling macromolecules, or colloids, in the strongly coupled Coulomb regime. Neutralizing mobile ions are point-like and confined in the inter-plate slab. A cumulant technique provides exact expansions, beyond the leading strong-coupling order, that are in remarkable agreement with simulation data for both the ionic profile and the inter-plate pressure. The present approach amounts to a summation over relevant excitations around the Wigner Crystal ground state formed at infinite coupling; It thereby differs from previous virial-like strong-compling theories and generalizes a recent work by the authors to asymmetric plates. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：1953 / 1957

页数：5

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