Electrostatic interactions mediated by polarizable counterions: Weak and strong coupling limits

被引：26
|
作者：
Demery, Vincent [1 ,2 ]
Dean, David S. [3 ]
Podgornik, Rudolf [4 ,5 ]
机构：
[1] CNRS, Inst Jean Le Rond dAlembert, F-75005 Paris, France
[2] UPMC Univ Paris 6, UMR 7190, F-75005 Paris, France
[3] Univ Bordeaux, LOMA, UMR 5798, F-33400 Talence, France
[4] Univ Ljubljana, Fac Math & Phys, Jozef Stefan Inst, Dept Theoret Phys, SI-1000 Ljubljana, Slovenia
[5] Univ Ljubljana, Fac Math & Phys, Dept Phys, SI-1000 Ljubljana, Slovenia
来源：
JOURNAL OF CHEMICAL PHYSICS | 2012年 / 137卷 / 17期
关键词：
colloids; inhomogeneous media; liquid theory; polarisability; statistical mechanics; ELECTRICAL DOUBLE-LAYER; SOFT MATTER; FORCES;
D O I：
10.1063/1.4763986
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We investigate the statistical mechanics of an inhomogeneous Coulomb fluid composed of charged particles with static polarizability. We derive the weak- and the strong-coupling approximations and evaluate the partition function in a planar dielectric slab geometry with charged boundaries. We investigate the density profiles and the disjoining pressure for both approximations. Comparison to the case of non-polarizable counterions shows that polarizability brings important differences in the counterion density distribution as well as the counterion mediated electrostatic interactions between charged dielectric interfaces. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4763986]
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页数：15
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