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Self-organized criticality in an isotropically driven model approaching equilibrium

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  • Leung, Kwan-tai
  • Vitting Andersen, Jørgen
  • Sornette, Didier

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.

Suggested Citation

  • Leung, Kwan-tai & Vitting Andersen, Jørgen & Sornette, Didier, 1998. "Self-organized criticality in an isotropically driven model approaching equilibrium," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 254(1), pages 85-96.
    • Handle: RePEc:eee:phsmap:v:254:y:1998:i:1:p:85-96
    DOI: 10.1016/S0378-4371(98)00018-1
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