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On dispersion force correction terms in perturbed equations of state |
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| Authors: | Ivo Nezbeda |
| Abstract: | The first-order correction term for the contribution of dispersion forces in a perturbation expansion has been analyzed using computer simulation and perturbation theory results. It turns out that simple approximations used to make an analytic evaluation of the correction integral possible may result, ironically, in more complicated (and erroneous) behavior in comparison with the exact result. |
| Keywords: | Statistical mechanics Perturbed equations of state Square-well fluid Triangular-well fluid Mean-field corrections |
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