The Square-Shoulder-Asakura–Oosawa model

Riccardo Fantoni

Physica A: Statistical Mechanics and its Applications, 2016, vol. 457, issue C, 406-412

Abstract: A new model for a colloidal size-asymmetric binary mixture is proposed: The Square-Shoulder-Asakura–Oosawa. This belongs to the larger class of non-additive hard-spheres models and has the property that its effective pair formulation is exact whenever the solvent particle fits inside the interstitial region of three touching solute particles. Therefore one can study its properties from the equivalent one-component effective problem. Some remarks on the phase diagram of this new model are also addressed.

Keywords: Collodal suspension; Size-asymmetric non-additive binary mixture; Asakura–Oosawa; Square-shoulder; Effective potential; Phase diagram (search for similar items in EconPapers)
Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:457:y:2016:i:c:p:406-412

DOI: 10.1016/j.physa.2016.03.024

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