We compare weak- and strong-coupling theory of counterion-mediated electrostatic interactions between two asymmetrically charged plates with extensive Monte Carlo simulations. Analytical results in both weak- and strong-coupling limits compare excellently with simulations in their respective regimes of validity. The system shows a surprisingly rich structure in terms of interactions between the surfaces as well as fundamental qualitative differences in behavior in the weak- and the strong-coupling limits.
Weak- and strong-coupling electrostatic interactions between asymmetrically charged planar surfaces
Authors: Kanduc M, Trulsson M, Naji A, Burak Y, Forsman J, Podgornik R.
Year of publication: 2008
Journal: Phys Rev E Stat Nonlin Soft Matter Phys.;78(6 Pt 1):061105.
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