The structure of colloid-polymer mixtures
A. A. Louis, R. Finken, J-P. Hansen
Abstract
We investigate the structure of colloid-polymer mixtures by calculating the structure factors for the Asakura-Oosawa model in the PY approximation. We discuss the role of potential range, polymer concentration and polymer-polymer interactions on the colloid-colloid structure. Our results compare reasonably well with the recent experiments of Moussaïd et. al. for small wavenumber k, but we find that the Hansen-Verlet freezing criterion is violated when the liquid phase becomes marginal.
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