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math-ph2010★ 92 cited
Memory-induced anomalous dynamics: emergence of diffusion, subdiffusion, and superdiffusion from a single random walk model
Niraj Kumar, Upendra Harbola, Katja Lindenberg
We present a random walk model that exhibits asymptotic subdiffusive, diffusive, and superdiffusive behavior in different parameter regimes. This appears to be the first instance o…
cond-mat.mtrl-sci2010
Pulse propagation in decorated random chains
Upendra Harbola, Alexandre Rosas, Aldo H. Romero +1
We study pulse propagation in one-dimensional chains of spherical granules decorated with small randomly-sized granules placed between bigger monodisperse ones. Such "designer chai…