Distribution of counterions near discretely charged planes and rods

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dc.creatorHenle, Mark L.
dc.creatorSantangelo, Christian D.
dc.creatorPatel, Deena M.
dc.creatorPincus, Philip A.
dc.date2003-10-22
dc.date2004-04-30
dc.date.accessioned2026-07-25T22:52:37Z
dc.descriptionRealistic charged macromolecules are characterized by discrete (rather than homogeneous) charge distributions. We investigate the effects of surface charge discretization on the counterion distribution at the level of mean-field theory using a two-state model. Both planar and cylindrical geometries are considered; for the latter case, we compare our results to numerical solutions of the full Poisson-Boltzmann equation. We find that the discretization of the surface charge can cause enhanced localization of the counterions near the surface; for charged cylinders, counterion condensation can exceed Oosawa-Manning condensation.
dc.description7 pages, 1 figure; added references, minor revisions
dc.identifierhttps://arxiv.org/abs/cond-mat/0310540
dc.identifierhttp://arxiv.org/abs/cond-mat/0310540
dc.identifierEurophys. Lett. 66, 284 (2004)
dc.identifierdoi:10.1209/epl/i2003-10205-1
dc.identifier.urihttps://dspace.dare.co.zw/handle/123456789/93357
dc.subjectSoft Condensed Matter
dc.titleDistribution of counterions near discretely charged planes and rods
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