Theoretical studies of self-organized criticality

Dhar, Deepak (2006) Theoretical studies of self-organized criticality Physica A: Statistical and Theoretical Physics, 369 (1). pp. 29-70. ISSN 0378-4371

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These notes are intended to provide a pedagogical introduction to the abelian sandpile model of self-organized criticality, and its related models. The abelian group, the algebra of particle addition operators, the burning test for recurrent states, equivalence to the spanning trees problem are described. The exact solution of the directed version of the model in any dimension is explained. The model's equivalence to Scheidegger's model of river basins, Takayasu's aggregation model and the voter model is discussed. For the undirected case, the solution for one-dimensional lattices and the Bethe lattice is briefly described. Known results about the two dimensional case are summarized. Generalization to the abelian distributed processors model is discussed. Time-dependent properties and the universality of critical behavior in sandpiles are briefly discussed. I conclude by listing some still-unsolved problems.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:Abelian; Sandpile; Avalanches; Self-organized Criticality; Dissipation; River Networks
ID Code:9287
Deposited On:02 Nov 2010 12:33
Last Modified:02 Nov 2010 12:33

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