Comprehensive theory of simple fluids, critical point included

19 June 1989

journal article
research article
Published by American Physical Society (APS) in Physical Review Letters

Vol. 62 (25) , 2981-2984
https://doi.org/10.1103/physrevlett.62.2981

Abstract

We present a comprehensive theory of fluids which has the typical accuracy of a good liquid-state theory in the dense regime but in addition has a genuine nonclassical critical behavior. The theory is based on the hierarchical reference theory of fluids decoupled with an approximation inspired by the optimized random-phase approximation. The Lennard-Jones interaction is studied in detail above the critical temperature.

Keywords

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