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Multiresonance and enhanced synchronization in stochastically coupled ratchets.

Research output: Contribution to journalJournal article

Published

Article number1250141
Journal publication date06/2012
JournalInternational Journal of Bifurcation and Chaos
Journal number6
Volume22
Number of pages12
Pages-
Original languageEnglish

Abstract

We investigate the dynamics and synchronization of two inertia ratchets interacting indirectly through a stochastic dynamical environment. We examine resonant oscillations in their synchronous and asynchronous modes; and we determine the effects of the interaction with the environment on the system's response and synchronization. We show the occurrence of noise-induced multiresonance and noise-enhanced synchronization emerging from the ratchets' interaction with the noisy environment. The simultaneous quenching of the chaotic regimes, and the domain of gain parameters for efficient control, are identified. It is shown that optimal transport can be achieved, implying that an inertia ratchet can take advantage of its noisy environment to enhance its rich dynamical and transport properties.