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A heavenly example of scale-free networks and self-organized criticality

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  • Paczuski, M.
  • Hughes, D.

Abstract

The sun provides an explosive, heavenly example of self-organized criticality. Sudden bursts of intense radiation emanate from rapid rearrangements of the magnetic field network in the corona. Avalanches are triggered by loops of flux that reconnect or snap into lower-energy configurations when they are overly stressed. Our recent analysis of observational data reveal that the loops (links) and footpoints (nodes), where they attach on the photosphere, embody a scale-free network. The statistics of the avalanches and of the network structure are unified through a simple dynamical model where the avalanches and network co-generate each other into a complex, critical state. This particular example points toward a general dynamical mechanism for self-generation of complex networks.

Suggested Citation

  • Paczuski, M. & Hughes, D., 2004. "A heavenly example of scale-free networks and self-organized criticality," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 342(1), pages 158-163.
    • Handle: RePEc:eee:phsmap:v:342:y:2004:i:1:p:158-163
    DOI: 10.1016/j.physa.2004.04.073
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    Cited by:

    1. Diego R Amancio, 2015. "Probing the Topological Properties of Complex Networks Modeling Short Written Texts," PLOS ONE, Public Library of Science, vol. 10(2), pages 1-17, February.

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