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Updated: Jun 18, 2026

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures
Published on: May 20, 2014
Single-particle and collective slow dynamics of colloids in porous confinement
Jan Kurzidim1, Daniele Coslovich, Gerhard Kahl
1Institut für Theoretische Physik and CMS, Technische Universität Wien, A-1040 Wien, Austria.
Abstract:
Using molecular dynamics simulations, we study the slow dynamics of a hard sphere fluid confined in a disordered porous matrix. The presence of both discontinuous and continuous glass transitions as well as the complex interplay between single-particle and collective dynamics are well captured by a recent extension of mode-coupling theory for fluids in porous media. The degree of universality of the mode-coupling theory predictions for related models of colloids is studied by introducing size disparity between fluid and matrix particles, as well as softness in the interactions.
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