Collective dynamics in coupled maps on a lattice with quenched disorder

Details Collective dynamics in coupled maps on a lattice with quenched disorder Collective dynamics in coupled maps on a lattice with quenched disorder

2006-02-14

arxiv.org/abs/cond-mat/0602338v1

Physics

Condensed Matter

Statistical Mechanics

27 pages, 15 figures, accepted for publication in Phys. Rev. E

Scientific paper

10.1103/PhysRevE.73.036214

It is investigated how a spatial quenched disorder modifies the dynamics of coupled map lattices. The disorder is introduced via the presence or absence of coupling terms among lattice sites. Two nonlinear maps have been considered embodying two paradigmatic dynamics. The Miller and Huse map can be associated with an Ising-like dynamics, whereas the logistic coupled maps is a prototype of a non trivial collective dynamics. Various indicators quantifying the overall behavior, demonstrates that even a small amount of spatial disorder is capable to alter the dynamics found for purely ordered cases.

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