Small-world behavior in a system of mobile elements
Susanna C. Manrubia, Jordi Delgado, Bartolo Luque
Abstract
We analyze the propagation of activity in a system of mobile automata. A number r Ld of elements move as random walkers on a lattice of dimension d, while with a small probability p they can jump to any empty site in the system. We show that this system behaves as a Dynamic Small-World (DSW) and present analytic and numerical results for several quantities. Our analysis shows that the persistence time T* (equivalent to the persistence size L* of small-world networks) scales as T* ~ (r p)(-t), with t = 1/(d+1).
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