| Equation of state of nonadditive d-dimensional hard-sphere mixtures. | |
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MedLine Citation:
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PMID: 15638605 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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An equation of state for a multicomponent mixture of nonadditive hard spheres in d dimensions is proposed. It yields a rather simple density dependence and constitutes a natural extension of the equation of state for additive hard spheres proposed by us [A. Santos, S. B. Yuste, and M. Lopez de Haro, Mol. Phys. 96, 1 (1999)]. The proposal relies on the known exact second and third virial coefficients and requires as input the compressibility factor of the one-component system. A comparison is carried out both with another recent theoretical proposal based on a similar philosophy and with the available exact results and simulation data in d=1, 2, and 3. Good general agreement with the reported values of the virial coefficients and of the compressibility factor of binary mixtures is observed, especially for high asymmetries and/or positive nonadditivities. |
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Authors:
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A Santos; M López de Haro; S B Yuste |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: The Journal of chemical physics Volume: 122 ISSN: 0021-9606 ISO Abbreviation: J Chem Phys Publication Date: 2005 Jan |
Date Detail:
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Created Date: 2005-01-10 Completed Date: 2006-12-13 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0375360 Medline TA: J Chem Phys Country: United States |
Other Details:
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Languages: eng Pagination: 024514 Citation Subset: - |
Copyright Information:
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2005 American Institute of Physics. |
Affiliation:
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Departamento de Física, Universidad de Extremadura, E-06071 Badajoz, Spain. andres@unex.es |
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