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Do effective interactions depend on the choice of coordinates? M. Schmidt, Phys. Rev. E 65, 022801 (2002); also in: Virt. J. Nanosc. Sci. & Tech. 5, Issue 6 (2002). Locate in [bare] [illustrated] list. Get [full paper] as pdf. Extract. Two choices for effective interactions between macromolecules are (i) the centers of mass and (ii) distinct microscopic entities, such as special "tagged" monomers. Here we compare both. Using computer simulations, we find that although the effective pair interaction between colloid and polymer differ markedly, correlation functions are in fair agreement. [more]  Read the [full paper] as pdf. |
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]