Volume 52, Number 2, October II 2000
|Page(s)||158 - 164|
|Section||Condensed matter: structure, mechanical and thermal properties|
|Published online||01 September 2002|
Demixing in binary mixtures of hard hyperspheres
Departamento de Física,
Universidad de Extremadura -
E-06071 Badajoz, Spain
2 Centro de Investigación en Energía, UNAM - Temixco, Morelos 62580, México
Accepted: 25 August 2000
The phase behavior of binary fluid mixtures of hard hyperspheres in four and five dimensions is investigated. Spinodal instability is found by using a recent and accurate prescription for the equation of state of the mixture that requires the equation of state of the single component fluid as input. The role played by the dimensionality on the possible metastability of the demixing transition with respect to a fluid-solid transition is discussed. The binodal curves in the pressure-chemical potential representation are seen to lie on a common line, independent of the size ratio.
PACS: 64.75.+g – Solubility, segregation, and mixing; phase separation / 82.60.Lf – Thermodynamics of solutions / 64.70.Ja – Liquid-liquid transitions
© EDP Sciences, 2000
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