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
收藏
页码：1953 / 1957
页数：5
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