Multicomponent fluids of hard hyperspheres in odd dimensions

Mixtures of hard hyperspheres in odd-space dimensionalities are studied with an analytical approximation method. This technique is based on the so-called rational function approximation and provides a procedure for evaluating equations of state, structure factors, radial distribution functions, and...

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Published in:Physical review. E, Statistical, nonlinear, and soft matter physics Vol. 83; no. 1 Pt 1; p. 011201
Main Authors: Rohrmann, René D, Santos, Andrés
Format: Journal Article
Language:English
Published: United States 01-01-2011
Online Access:Get full text
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Summary:Mixtures of hard hyperspheres in odd-space dimensionalities are studied with an analytical approximation method. This technique is based on the so-called rational function approximation and provides a procedure for evaluating equations of state, structure factors, radial distribution functions, and direct correlation functions of additive mixtures of hard hyperspheres with any number of components and in arbitrary odd-dimension space. The method gives the exact solution of the Ornstein-Zernike equation coupled with the Percus-Yevick closure, thus, extending the solution for hard-sphere mixtures [J. L. Lebowitz, Phys. Rev. 133, A895 (1964)] to arbitrary odd dimensions. Explicit evaluations for binary mixtures in five dimensions are performed. The results are compared with computer simulations, and a good agreement is found.
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ISSN:1539-3755
1550-2376
DOI:10.1103/PhysRevE.83.011201