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Title: Long-tailed trapping times and Lévy flights in a self-organized critical granular system
Author: Boguñá, Marián
Corral, Álvaro
Keywords: Física estadística
Equacions d'estat
Statistical physics
Equations of state
Issue Date: 1997
Publisher: American Physical Society
Abstract: We present a continuous time random walk model for the scale-invariant transport found in a self-organized critical rice pile [K. Christensen et al., Phys. Rev. Lett. 77, 107 (1996)]. From our analytical results it is shown that the dynamics of the experiment can be explained in terms of Lvy flights for the grains and a long-tailed distribution of trapping times. Scaling relations for the exponents of these distributions are obtained. The predicted microscopic behavior is confirmed by means of a cellular automaton model.
Note: Reproducció digital del document proporcionada per PROLA i
It is part of: Physical Review Letters, 1997, vol. 78, núm. 26, p. 4950-4953
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ISSN: 0031-9007
Appears in Collections:Articles publicats en revistes (Física de la Matèria Condensada)

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