Analysis of self-organized criticality in weighted coupled systems |
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Authors: | Gui-Qing Zhang Lin Wang Tian-Lun Chen |
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Affiliation: | Department of Physics, Nankai University, Tianjin 300071, PR China |
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Abstract: | A weighted Olami, Feder, and Christensen (OFC) model, improving the redistribution rule of the original model, has been introduced. It can be seen as a generalization of the OFC model and exhibits Self-organized criticality (SOC) behavior, too. The stress evolution process has been accelerated and the nontrivial relationship between the exponent of 1/f and the control parameter has been reported. Although our model is simple, we obtained more reasonable avalanche dimensions than with the previous model. |
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Keywords: | 05.65.+b 45.70.Ht |
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