Stefano Lise 2002 J. Phys. A: Math. Gen. 35 4641 doi:10.1088/0305-4470/35/22/301
Stefano Lise
Show affiliationsWe numerically investigate the approach to the stationary state in the non-conservative Olami–Feder–Christensen (OFC) model for earthquakes. Starting from initially random configurations, we monitor the average earthquake size in different portions of the system as a function of time (the time is defined as the input energy per site in the system). We find that the process of self-organization develops from the boundaries of the system and it is controlled by a dynamical critical exponent z ~ 1.3 that appears to be universal over a range of dissipation levels of the local dynamics. We show moreover that the transient time of the system ttr scales with system size L as ttr ~ Lz. We argue that the (non-trivial) scaling of the transient time in the OFC model is associated with the establishment of long-range spatial correlations in the steady state.
Issue 22 (7 June 2002)
Received 25 February 2002, in final form 12 April 2002
Published 24 May 2002
Stefano Lise 2002 J. Phys. A: Math. Gen. 35 4641
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