Abstract
We discuss sensitivity to initial conditions in a model for avalanches in granular media displaying self-organized criticality. We show that damage, due to a small perturbation in initial conditions, does not spread. The damage persists in a statistically time-invariant and scale-free form. We argue that the origin of this behavior is the Abelian nature of the model, which generalizes our results to all models with Abelian properties, including the BTW model and the Manna model. An ensemble average of the damage leads to seemingly time dependent damage spreading. Scaling arguments show that this numerical result is due to the time lag before avalanches reach the initial perturbation.
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Stapleton, M., Dingler, M. & Christensen, K. Sensitivity to Initial Conditions in Self-Organized Critical Systems. J Stat Phys 117, 891–900 (2004). https://doi.org/10.1007/s10955-004-5709-3
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DOI: https://doi.org/10.1007/s10955-004-5709-3