Monte Carlo simulations were employed to study two charged rods confined between two unlike charged plates, all immersed in a model electrolyte. Recently, it was shown that two rods immersed in a multivalent counterion solution may show attraction (PRL 78, 2477 (1997)). Here we show for a monovalent electrolyte that rod-rod attraction and repulsion can switch sign depending on confinement and ionic size. We also propose a simple self-assembling mechanism which may be helpful to understand the DNA-lipid bilayers complexation.
@article{arxiv.1010.3244,
title = {The effect of confinement on the interaction between two like-charged rods},
author = {G. Odriozola and F. Jiménez-Ángeles and M. Lozada-Cassou},
journal= {arXiv preprint arXiv:1010.3244},
year = {2015}
}