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  • Title: Suspensions of repulsive colloidal particles near the glass transition: Time and frequency domain descriptions.
    Author: Roldán-Vargas S, de Vicente J, Barnadas-Rodríguez R, Quesada-Pérez M, Estelrich J, Callejas-Fernández J.
    Journal: Phys Rev E Stat Nonlin Soft Matter Phys; 2010 Aug; 82(2 Pt 1):021406. PubMed ID: 20866808.
    Abstract:
    We study the relaxation of both spontaneous and shear-induced fluctuations in suspensions of charged-stabilized colloidal particles near the glass transition by dynamic light scattering and rheology. Both observations are here understood in terms of a common structural relaxation process under a hard-sphere mode-coupling formalism. For ergodic systems, we show that the descriptions of the relaxation dynamics in time and frequency domains are governed by a common set of dynamic parameters. It is further shown that the microscopic ergodicity break-up induces the emergence of the macroscopic glass elasticity.
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