Depletion induced demixing in polydisperse mixtures of hard spheres

Abstract

Polydisperse mixtures are those in which components with a whole range of sizes are present. It is shown that the fluid phase of polydisperse hard spheres is thermodynamically unstable unless the density of large spheres decreases at least exponentially as their size increases. The instability is with respect to the large spheres crystallising out into multiple solid phases.

5 pages, 1 Postscript figure

References in corpus (3)

• Phase separation and crystallisation of polydisperse hard spheres
• Fluid-fluid phase separation in hard spheres with a bimodal size distribution
• Demixing in a single-peak distributed polydisperse mixture of hard spheres

Cited by in corpus (10)

• Predicting phase equilibria in polydisperse systems
• Fractionation effects in phase equilibria of polydisperse hard sphere colloids
• Grand canonical ensemble simulation studies of polydisperse fluids
• Perturbative polydispersity: Phase equilibria of near-monodisperse systems
• Molecular dynamics of a dense fluid of polydisperse hard spheres
• Demixing in binary mixtures of hard hyperspheres
• Phase behaviour and particle-size cutoff effects in polydisperse fluids
• Contact values of the particle-particle and wall-particle correlation functions in a hard-sphere polydisperse fluid
• Adsorption of polydisperse polymer chains
• Smectic and columnar ordering in length-polydisperse fluids of parallel hard cylinders