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RY theory investigation of phase coexistence in hard sphere mixtures

Author

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  • Caccamo, C.
  • Pellicane, G.

Abstract

Phase coexistence and stability in a hard sphere mixture composed of two particle species of very different sizes are investigated by means of thermodynamically self-consistent Rogers-Young theory. The results obtained for the concentration-concentration structure factor in the k = 0 limit, Scc(0), and for the Gibbs free energy at constant prresure, are consistent with a fluid-solid phase instability, occurring in the high dilution regime of the larger spheres. No indication of fluid-fluid segregation seems to emerge within the present theoretical approach.

Suggested Citation

  • Caccamo, C. & Pellicane, G., 1997. "RY theory investigation of phase coexistence in hard sphere mixtures," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 235(1), pages 149-158.
    • Handle: RePEc:eee:phsmap:v:235:y:1997:i:1:p:149-158
    DOI: 10.1016/S0378-4371(96)00336-6
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