Empirical expressions of the pair correlation functions at contact and equation of state of the liquid hard-sphere mixtures at large size ratio

2007 ◽  
Vol 262 (1-2) ◽  
pp. 149-156 ◽  
Author(s):  
Aziza Takhtoukh ◽  
Christian Regnaut



1977 ◽  
Vol 55 (9) ◽  
pp. 761-766 ◽  
Author(s):  
Yoshio Tago ◽  
William R. Smith

The decay equation, which determines the correlation length and the period of the pair correlation function of a fluid at large distances, is discussed using the Ornstein–Zernike equation when the direct correlation function vanishes rapidly at large distances. The decay equation is solved numerically using the exact hard sphere and sticky hard sphere fluid results from the Percus–Yevick approximation. In the case of the hard sphere fluid, oscillatory decay is always obtained. For the sticky hard sphere fluid, we obtain a locus both in the pressure–temperature plane and the density–temperature plane such that the decay is monotonic inside and oscillatory outside the locus.



1997 ◽  
Vol 91 (6) ◽  
pp. 1137-1142 ◽  
Author(s):  
By DANNY H. L. YAU ◽  
KWONG-YU CHAN ◽  
DOUGLAS HENDERSON






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