Anisotropic diffusion of spheroids in liquids : Slow orientational relaxation of the oblates

Abstract

We carry out extensive molecular dynamics ~MD! simulations of translation and rotation of spheroids in the suspension of spheres, for a wide range of values of the aspect ratio, k ranging from the extreme limits of long rodlike molecules to the disc-shaped ones. While diffusion is anisotropic in short times ~compared to the orientational correlation time… (More)

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