We perform extensive numerical simulations of different versions of the sandpile model. We find that previous claims about universality classes are unfounded, since the method previously employed to analyze the data suffered from a systematic bias. We identify the correct scaling behavior and provide evidences suggesting that sandpiles with stochastic and deterministic toppling rules belong to the same universality class.
Universality in sandpiles / A. Chessa, H. Eugene Stanley, A. Vespignani, S. Zapperi. - In: PHYSICAL REVIEW E. - ISSN 1063-651X. - 59:1(1999 Jan), pp. R12-R15.
Universality in sandpiles
S. Zapperi
1999
Abstract
We perform extensive numerical simulations of different versions of the sandpile model. We find that previous claims about universality classes are unfounded, since the method previously employed to analyze the data suffered from a systematic bias. We identify the correct scaling behavior and provide evidences suggesting that sandpiles with stochastic and deterministic toppling rules belong to the same universality class.
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