Overdamped van Hove function of colloidal suspensions
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abstract
Time-dependent fluctuation theory of Onsager-Machlup was used to analyze the generalized-hydrodynamic system of monodisperse colloidal suspensions. The intermediate scattering function F(k,t) of time evolution were studied on the basis of parameters such as particle number concentrations, particle current, and the stress tensors of Brownian fluids. Separations of the stress tensors in the orthogonal and configurational contributions were needed to exhibit the overdamped limit of the equation. The self-intermediate scattering function Fs(k,t) was also achieved by the analogous results.
