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A density functional for a model colloid-polymer mixture M. Schmidt, H. Löwen, J. M. Brader, and R. Evans, Phys. Rev. Lett. 85, 1934 (2000). Locate in [bare] [illustrated] list. Get [full paper] as pdf. Extract. We present a density functional theory for mixtures of (hard sphere) colloidal particles and ideal polymers. For this extreme nonadditive system we employ a fundamental measures approach to construct a functional which incorporates the correct dimensional crossover and the exact low density limit. [more]  Read the [full paper] as pdf. |
Basic model fluids
Density functionals were constructed for hard spheres [5] [6], penetrable spheres that interact with a step-function pair potential [7] (see [14] for more discussion), the Asakura-Oosawa-Vrij model of colloid-polymer mixtures [11], the Widom-Rowlinson model [17], and non-additive hard sphere mixtures [53].Colloid-polymer mixtures
The density functional theory for the Asakura-Oosawa model of colloid-polymer mixtures [11] was used to find the "floating liquid" phase [52]. Phew, I am exhausted! All these relations drive me crazy.. See [29] for an investigation of bulk fluid phases. See [22] for an answer to the question whether effective interactions depend on the choice of coordinates.[more]