Widom-Rowlinson model: Difference between revisions

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:<math> \Phi \left( r_{ij} \right) =  \Phi_{HS}(r_{ij});  </math> if <math> i </math> and <math> j</math> belong to different species,
:<math> \Phi \left( r_{ij} \right) =  \Phi_{HS}(r_{ij});  </math> if <math> i </math> and <math> j</math> belong to different species,


where <math> \Phi_{HS}(r) </math> is the [[hard sphere model | hard sphere]] pair potential
where <math> \Phi_{HS}(r) </math> is the [[hard sphere model | hard sphere]] [[intermolecular pair potential]].
==Surface tension==
==Surface tension==
*[http://dx.doi.org/10.1063/1.2751153 E. de Miguel, N. G. Almarza and G. Jackson "Surface tension of the Widom-Rowlinson model", Journal of Chemical Physics '''127''' 034707 (2007)]
*[http://dx.doi.org/10.1063/1.2751153 E. de Miguel, N. G. Almarza and G. Jackson "Surface tension of the Widom-Rowlinson model", Journal of Chemical Physics '''127''' 034707 (2007)]

Revision as of 15:29, 24 July 2007

The Widom-Rowlinson model (Ref. 1) for mixtures takes the form:

; if and are particles of the same species
if and belong to different species,

where is the hard sphere intermolecular pair potential.

Surface tension

References

  1. B. Widom and J. S. Rowlinson, "New Model for the Study of Liquid–Vapor Phase Transitions", J. Chem. Phys. 52, pp. 1670-1684 (1970)