Size-asymmetric primitive model at low temperature: description of ion pairing and location of the critical point

• Published in: Physical review letters Vol. 95; no. 23; p. 235701
• Main Authors: Zhou, Weimin, Percus, Jerome K
• Format: Journal Article
• Language: English
• Published: United States 02.12.2005

We argue that Bjerrum's approach to ion pairing is inappropriate for the size-asymmetric primitive model in the neighborhood of its critical point, and propose a new approach based on the Stillinger-Lovett pairing procedure. The new approach recursively scales up the ion size until linear appro...