Pulse propagation sustained by noise in arrays of bistable electronic circuits

R. Báscones, J. García-Ojalvo, J. M. Sancho
2002 Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics  
One-dimensional arrays of nonlinear electronic circuits are shown to support propagation of pulses when operating in a locally bistable regime, provided the circuits are under the influence of a global noise. These external random fluctuations are applied to the parameter that controls the transition between bistable and monostable dynamics in the individual circuits. As a result, propagating fronts become destabilized in the presence of noise, and the system self-organizes to allow the
more » ... sion of pulses. The phenomenon is also observed in weakly coupled arrays, when propagation failure arises in the absence of noise.
doi:10.1103/physreve.65.061108 pmid:12188704 fatcat:pfvsfttrjbf5hh2fupfjliyoaa