Widom-Rowlinson model

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Simulation snapshot of phase separation in two-dimensions.

Simulation snapshot of phase separation in two-dimensions.

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

$\Phi \left( r_{ij} \right) = 0$ ; if

i

and

j

are particles of the same species

$\Phi \left( r_{ij} \right) = \Phi_{HS}(r_{ij});$ if

i

and

j

belong to different species,

where $Φ H S (r)$ is the hard sphere intermolecular pair potential.

[edit] Surface tension

The surface tension of the Widom-Rowlinson model has been studied by:

[edit] References

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

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Category: Models

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