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Contact values for disparate-size hard-sphere mixtures |
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| Authors: | Andrés Santos Santos B Yuste Mariano López de Haro? Morad Alawneh Douglas Henderson |
| Institution: | 1. Departamento de Física , Universidad de Extremadura , E-06071 Badajoz, Spain andres@unex.es;3. Departamento de Física , Universidad de Extremadura , E-06071 Badajoz, Spain;4. Department of Chemistry and Biochemistry , Brigham Young University , Provo, UT 84602-5700, USA |
| Abstract: | A universality ansatz for the contact values of a multicomponent mixture of additive hard spheres is used to propose new formulae for the case of disparate-size binary mixtures. A comparison with simulation data and with a recent proposal by Alawneh and Henderson for binary mixtures shows reasonably good agreement with the predictions for the contact values of the large–large radial distribution functions. A discussion on the usefulness and limitations of the new proposals is also presented. |
| Keywords: | hard-sphere mixtures radial distribution function contact values |