Document Detail


Ion association in model ionic fluids.
MedLine Citation:
PMID:  11969854     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
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 T(c) the vapor consists almost exclusively of strongly bound ion pairs at or near contact. Significant ion-pair dissociation begins at temperatures very near T(c). 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.
Authors:
P J Camp; G N Patey
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics     Volume:  60     ISSN:  1063-651X     ISO Abbreviation:  Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics     Publication Date:  1999 Jul 
Date Detail:
Created Date:  2002-04-23     Completed Date:  2002-08-27     Revised Date:  2003-11-03    
Medline Journal Info:
Nlm Unique ID:  9887340     Medline TA:  Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1063-6     Citation Subset:  -    
Affiliation:
Department of Chemistry, University of British Columbia, Vancouver, British Columbia, Canada, V6T 1Z1.
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