Tracer diffusion in concentrated colloidal dispersions. III. Mean squared displacements and self-diffusion coefficients

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Abstract
The incoherent dynamic structure factor Fs has been measured on concentrated dispersions of particles with interactions approximating hard spheres. The particle mean squared displacements and self‐diffusion coefficients are obtained from Fs at times and scattering vectors where the Gaussian approximation (for Fs ) is expected to be reasonable.