Thermodynamic Properties of the Fluid and Solid Phases for Inverse Power Potentials

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Abstract
The two computer methods of Monte Carlo and lattice dynamics are used to determine fluid and face‐centered‐cubic solid thermodynamic properties for classical particles interacting with pairwise‐additive inverse 4th, 6th, and 9th power potentials. These results, together with those already on hand for 12th power and hard‐sphere potentials, provide a complete, and remarkably simple, description of the dependence of the pure‐phase thermodynamics and the melting transition on the “softness” of the pair potential.