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Olami-Feder-Christensen model on different networks |
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| Authors: | F Caruso V Latora A Pluchino A Rapisarda B Tadi? |
| Institution: | (1) Scuola Superiore di Catania, via S. Paolo 73, 95123 Catania, Italy;(2) Dipartimento di Fisica e Astronomia, Università di Catania, and INFN sezione di Catania, via S. Sofia 64, 95123 Catania, Italy;(3) Department for Theoretical Physics, Jožef Stefan Institute, PO Box 3000;, SI-1001 Ljubljana, Slovenia |
| Abstract: | We investigate numerically the Self Organized Criticality (SOC) properties of the dissipative Olami-Feder-Christensen model on small-world and scale-free networks. We find that the small-world OFC model exhibits self-organized criticality. Indeed, in this case we observe power law behavior of earthquakes size distribution with finite size scaling for the cut-off region. In the scale-free OFC model, instead, the strength of disorder hinders synchronization and does not allow to reach a critical state. |
| Keywords: | 05 65 +b Self-organized systems 45 70 Ht Avalanches 89 75 Da Systems obeying scaling laws 91 30 Bi Seismic sources (mechanisms magnitude moment frequency spectrum) |
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