Critical behavior of colloid-polymer mixtures in random porous media

Abstract

We show that the critical behavior of a colloid-polymer mixture inside a random porous matrix of quenched hard spheres belongs to the universality class of the random-field Ising model. We also demonstrate that random-field effects in colloid-polymer mixtures are surprisingly strong. This makes these systems attractive candidates to study random-field behavior experimentally.

4 pages, 3 figures, to appear in Phys. Rev. Lett

References in corpus (2)

• The fluid-fluid interface in a model colloid-polymer mixture: Application of grand canonical Monte Carlo to asymmetric binary mixtures
• Computer simulation of the phase diagram for a fluid confined in a fractal and disordered porous material

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