New Model for the Study of Liquid–Vapor Phase Transitions

@article{Widom1970NewMF,
title={New Model for the Study of Liquid–Vapor Phase Transitions},
author={B. Widom and J. S. Rowlinson},
journal={Journal of Chemical Physics},
year={1970},
volume={52},
pages={1670-1684}
}

A new model is proposed for the study of the liquid–vapor phase transition. The potential energy of a given configuration of N molecules is defined by U(r1, ···, rN) = [W(r1, ···, rN) − Nυ0]e/υ0≤0, where W is the volume covered by N interpenetrating spheres each of volume υ0 and each centered on one molecule, and where e is an arbitrary positive energy. This continuum model proves to have a line of symmetry comparable with those found hitherto only in lattice models. The line is that of the… Expand