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Self-organized criticality: An explanation of the 1/<i>f</i>noise

Physical Review Letters · 1987 · Vol. 59(4) · pp. 381–384

Per Bak✉(Brookhaven National Laboratory)Chao Tang(Brookhaven National Laboratory)Kurt Wiesenfeld(Brookhaven National Laboratory)

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Abstract

We show that dynamical systems with spatial degrees of freedom naturally evolve into a self-organized critical point. Flicker noise, or 1/f noise, can be identified with the dynamics of the critical state. This picture also yields insight into the origin of fractal objects.

Statistical Mechanics and Entropy Advanced Thermodynamics and Statistical Mechanics Complex Systems and Time Series AnalysisCriticalitySelf-organized criticalityStatistical physicsNoise (video)FractalCritical point (mathematics)Flicker noiseDegrees of freedom (physics and chemistry)PhysicsFlicker

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