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Pulse propagation sustained by noise in arrays of bistable electronic circuits

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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 transmission of pulses. The phenomenon is also observed in weakly coupled arrays, when propagation failure arises in the absence of noise.

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BASCONES, Roberto, GARCÍA OJALVO, Jordi, SANCHO, José m.. Pulse propagation sustained by noise in arrays of bistable electronic circuits. _Physical Review E_. 2002. Vol. 65, núm. 6, pàgs. 061108(1)-061108(5). [consulta: 13 de gener de 2026]. ISSN: 1539-3755. [Disponible a: https://hdl.handle.net/2445/18738]

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