Ion association in model ionic fluids

Philip J. Camp, G. N. Patey

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

Monte Carlo simulations are used to investigate the temperature and pressure (density) dependence of ion association in the restricted primitive model. It is shown that at temperatures below the critical temperature [Formula Presented] the vapor consists almost exclusively of strongly bound ion pairs at or near contact. Significant ion-pair dissociation begins at temperatures very near [Formula Presented] This raises the possibility that compositional fluctuations between strongly bound and free ions influence the critical behavior. We note qualitative similarities between the present results and the Kosterlitz-Thouless transition in the two-dimensional Coulomb gas.

Original languageEnglish
Pages (from-to)1063-1066
Number of pages4
JournalPhysical review E: Statistical physics, plasmas, fluids, and related interdisciplinary topics
Volume60
Issue number1
DOIs
Publication statusPublished - 1 Jan 1999

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