- 12-111 Tapio Simula, Mikko Stenlund
- Multi-Gaussian modes of diffusion in a quenched random medium
Oct 4, 12
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Abstract. We have studied a model of a random walk in a quenched random environment. In addition to featuring anomalous diffusion and localization, for special regimes of disorder parameters the particle density decomposes into multi-Gaussian structure while its cumulative distribution is normal. We explain the observed fine structure of the density and point out its significance to experiments.