Counterion condensation theory constructed from different models

Gerald S. Manning

Physica A: Statistical Mechanics and its Applications, 1996, vol. 231, issue 1, 236-253

Abstract: The primitive model and the line of charges model for ionized polymers both predict the emergence of a condensed counterion layer at a critical polymer charge density, but the two models describe the condensed layer in different ways. The Zimm-Le Bret and Ramanathan distributions for the condensed layer in the primitive model are reviewed. The extended Debye-Huckel theory of the line of charges model is recast in a more general form in an attempt to make its underlying assumptions transparent. We show that the counterion-polyion potential of mean force at great distances behaves differently for the two models.

Date: 1996
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:231:y:1996:i:1:p:236-253

DOI: 10.1016/0378-4371(95)00452-1

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