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Higher Order Spectra in Avalanche Models
Amit P. Mehta, Karin A. Dahmen, A. C. Mills +1
Utilizing the Haar transform, we study the higher order spectral properties of mean field avalanche models, whose avalanche dynamics are described by Poisson statistics at a critic…
Noise in Disordered Systems: Higher Order Spectra in Avalanche Models
Amit P. Mehta, Karin A. Dahmen, M. W. Weissman +1
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…
Asymmetric spreading in highly advective, disordered environments
John H. Carpenter, Karin A. Dahmen
Spreading of bacteria in a highly advective, disordered environment is examined. Predictions of super-diffusive spreading for a simplified reaction-diffusion equation are tested. C…