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Noise in Disordered Systems: Higher Order Spectra in Avalanche Models

Amit P. Mehta, Karin A. Dahmen, M. W. Weissman, Tim Wotherspoon

cond-mat.supr-conarXiv:cond-mat/0501618

Abstract

We present a novel analytic calculation of the Haar power spectra, and various higher order spectra, of mean field avalanche models. We also compute these spectra from a simulation of the zero-temperature mean field RFIM and infinite range RFIM model for d = 3. We compare the results and obtain novel exponents.

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