Navigation   about theory   people   projects   publications   review   simulations   home		Self-organized Criticality, Long-time Correlations, and the Standard Transport Paradigm Author: J.A. Krommes Date of PPPL Report: February 2000 Published in: Phys. Plasmas 7 (May 2000) 1752-1758. Some aspects of low-frequency, long-wavelength fluctuations are considered. A stochastic model is used to show that power-law time correlations need not arise from self-organized criticality. A formula for the frequency spectrum of uncorrelated, overlapping avalanches is shown to be a special case of the spectral balance equation of renormalized statistical turbulence theory. It is argued that there need be no contradiction between the presence of long-time correlations and the existence of local transport coefficients.
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