Critical behavior of sandpile models with sticky grains

P.K. Mohanty and Deepak Dhar

Physica A: Statistical Mechanics and its Applications, 2007, vol. 384, issue 1, 34-38

Abstract: We revisit the question whether the critical behavior of sandpile models with sticky grains is in the directed percolation universality class. Our earlier theoretical arguments in favor, supported by evidence from numerical simulations [P.K. Mohanty, D. Dhar, Phys. Rev. Lett. 89 (2002) 104303], have been disputed by Bonachela et al. [Phys. Rev. E 74 (2006) 050102] for sandpiles with no preferred direction. We discuss possible reasons for the discrepancy. Our new results of longer simulations of the one-dimensional undirected model fully support our earlier conclusions.

Keywords: Self-organized criticality; Sandpile models; Directed percolation (search for similar items in EconPapers)
Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:384:y:2007:i:1:p:34-38

DOI: 10.1016/j.physa.2007.04.117

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