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
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