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- Sillrén, Per, 1982, et al.
(author)
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Perturbation theory for systems with strong short-ranged interactions
- 2007
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In: Molecular Physics. - 1362-3028 .- 0026-8976. ; 105:13-14, s. 1803-1811
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Journal article (peer-reviewed)abstract
- We propose a variant of thermodynamic perturbation theory based on the Mayer f-function which is applicable to strongly repulsive, and even singular interactions. The expansion of the free energy is successfully tested against known 'exact results' for hard-sphere fluids, and then applied to binary mixtures of particles with non-additive hard cores or shouldered potentials. The resulting phase diagrams agree well with existing simulation data and theoretical predictions.
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