Application of the cluster variation method to the hole theory of fluids

S. Shinomoto and T. Morita

Physica A: Statistical Mechanics and its Applications, 1984, vol. 127, issue 1, 141-151

Abstract: The pair approximation of the cluster variation method is applied to the hole theory of classical fluids and the melting transition of the hard-sphere system is discussed. The exact free volume of the hard-sphere molecule is used to make up an effective ‘interaction’ assigned to a cluster which consists of an occupied site by a molecule and its nearest neighbour sites occupied by molecules and holes. This method supplies much improved results compared with those of the molecular-field approximation which corresponds to the site approximation in the cluster variation method.

Date: 1984
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:127:y:1984:i:1:p:141-151

DOI: 10.1016/0378-4371(84)90124-9

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