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Brownian motion in short range random potentials

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A numerical study of Brownian motion of noninteracting particles in random potentials is presented. The dynamics are modeled by Langevin equations in the high friction limit. The random potentials are Gaussian distributed and short ranged. The simulations are performed in one and two dimensions. Different dynamical regimes are found and explained. Effective subdiffusive exponents are obtained and commented on.

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Articles publicats en revistes (Física Quàntica i Astrofísica)

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Brownian motion in short range random potentials