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On the calculation of the self-diffusion coefficient of interacting Brownian particles

By H.N.W. Lekkerkerker and J.K.G. Dhont


We consider two ways to calculate the self-diffusion coefficient of interacting Brownian particles. The first approach is based on the calculation of the mean square displacement of a Brownian particle starting from the Smoluchowski equation. In the second approach the self-diffusion\ud coefficient is obtained as the product of the thermodynamic driving force and the mobility. The advantages and limitations of the two methods are discussed

Topics: Scheikunde
Year: 1984
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