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A simple algorithm for obtaining accurate pair distribution functions gij of hard-sphere mixtures is proposed. This generalizes the pure-fluid procedure of Verlet and Weis for improving the Percus-Yevick distribution functions. Two theorems are proved concerning the distribution functions yij =exp (uij/kT)gij , and an approximation for these functions is proposed. Finally, a method for computing direct correlation functions, given the pair distribution functions, is described.
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Grundke et al. (1972) studied this question.
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