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2009•Unpublished venueRequires access

Collective motion of Brownian particles on stepped surfaces

Youssef Lachtioui, M. Mazroui, Y. Boughaleb, A. Arbaoui, M. Bakasse

Open publisher page 1 citations

Abstract

We study the diffusion process of interacting Brownian particles on stepped surfaces. By employing the Langevin dynamic simulation we have calculated the diffusion coefficient D as a function of the concentration c for different values of the correlation lengths. Our results show that, on stepped surface, the diffusion process is reduced with respect to the one corresponding to the flat surface.

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What this paper is about

We study the diffusion process of interacting Brownian particles on stepped surfaces. By employing the Langevin dynamic simulation we have calculated the diffusion coefficient D as a function of the concentration c for different values of the correlation lengths. Our results show that, on stepped surface, the diffusion process is reduced with respect to the one corresponding to the flat surface.

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Available abstract

We study the diffusion process of interacting Brownian particles on stepped surfaces. By employing the Langevin dynamic simulation we have calculated the diffusion coefficient D as a function of the concentration c for different values of the correlation lengths. Our results show that, on stepped surface, the diffusion process is reduced with respect to the one corresponding to the flat surface.

Key concepts: Brownian motion, Diffusion process, Diffusion, Surface (topology), Langevin equation, Fractional Brownian motion, Stochastic process, Surface diffusion

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