Infoscience

Journal article

Aging in short-ranged attractive colloids: A numerical study

The aging dynamics in a model for dense simple liquids, in which particles interact through a hard-core repulsion complemented by a short-ranged attractive potential, of the kind found in colloidal suspensions, was studied. Kinetically arrested disordered states can be created both on cooling (attractive glass) and on heating (repulsive glass) at large packing fractions in this system. It was shown that the possibility of having two distinct glasses at the same packing fraction, with two different dynamics offers the unique possibility of comparing within the same model the differences in aging dynamics. If the aging dynamics of the repulsive glass was similar, the aging dynamics of the attractive glass shows novel unexpected features.

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