Self-organized criticality in an isotropically driven model approaching equilibrium

Kwan-tai Leung, Jørgen Vitting Andersen and Didier Sornette

Physica A: Statistical Mechanics and its Applications, 1998, vol. 254, issue 1, 85-96

Abstract: Self-organized criticality (SOC) in systems governed by stick-slip dynamics is studied by means of a spring-block model. Contrary to conventional models which are loaded additively in their stationary states, our model is driven towards equilibrium in a multiplicative and isotropic manner via a temporally increasing coupling strength. A coarsening process builds up correlations in the bulk and establishes power-law avalanche size distributions, independent of boundary conditions and system parameters. The observed behavior is robust and suggests that some experimental systems approaching equilibrium via a punctuated threshold dynamics may well show SOC.

Date: 1998
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:254:y:1998:i:1:p:85-96

DOI: 10.1016/S0378-4371(98)00018-1

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