Self-organized criticality

Per Bak, Chao Tang, and Kurt Wiesenfeld
Phys. Rev. A 38, 364 – Published 1 July 1988
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Abstract

We show that certain extended dissipative dynamical systems naturally evolve into a critical state, with no characteristic time or length scales. The temporal ‘‘fingerprint’’ of the self-organized critical state is the presence of flicker noise or 1/f noise; its spatial signature is the emergence of scale-invariant (fractal) structure.

  • Received 28 August 1987

DOI:https://doi.org/10.1103/PhysRevA.38.364

©1988 American Physical Society

Authors & Affiliations

Per Bak, Chao Tang, and Kurt Wiesenfeld

  • Department of Physics, Brookhaven National Laboratory, Upton, New York 11973

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Issue

Vol. 38, Iss. 1 — July 1988

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