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    19. Density functional theory for colloidal rod-sphere mixtures
    M. Schmidt, Phys. Rev. E 63, 050201(R) (2001).
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    Abstract. We present a density functional theory for a model colloidal mixture of hard spheres and infinitely thin hard rods. For these freely rotating particles, we use a fundamental measures approach to obtain a functional that features the correct dimensional crossover and the exact low density limit. For isotropic bulk fluid mixtures, the free energy, and hence the demixing phase diagram, are identical to that obtained from free volume theory. Results for the partial pair correlation functions of the bulk mixture are in good agreement with those of our simulations. [figures]


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    Rod-sphere mixtures

    The DFT of [19] was extended to treat rod-rod interactions [30] [49], and used for free fluid interfaces [30] and wetting at a hard wall [40]. Simulations [42] confirmed unusual interfacial rod ordering. See [25] for the demixing phase behavior of the system upon adding polymers.

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MS, 20 Apr 2009.