Power spectra of self-organized critical sandpiles
نویسندگان
چکیده
We analyse the power spectra of avalanches in two classes of selforganized critical sandpile models, the Bak–Tang–Wiesenfeld model and the Manna model. We show that these decay with a 1/fα power law, where the exponent value α is significantly smaller than 2 and equals the scaling exponent relating the avalanche size to its duration. We discuss the basic ingredients behind this result, such as the scaling of the average avalanche shape.
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