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Journal Article

Enhanced synchronization due to intermittent noise

Authors

Shajan,  Emilda
External Organizations;

Asir,  M. Paul
External Organizations;

Dixit,  Shiva
External Organizations;

/persons/resource/Juergen.Kurths

Kurths,  Jürgen
Potsdam Institute for Climate Impact Research;

Shrimali,  Manish Dev
External Organizations;

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Fulltext (public)

Shajan_2021_New_J._Phys._23_112001.pdf
(Publisher version), 5MB

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Citation

Shajan, E., Asir, M. P., Dixit, S., Kurths, J., Shrimali, M. D. (2021): Enhanced synchronization due to intermittent noise. - New Journal of Physics, 23, 112001.
https://doi.org/10.1088/1367-2630/ac3885


Cite as: https://publications.pik-potsdam.de/pubman/item/item_26407
Abstract
We propose a novel scheme to regulate noise infusion into the chaotic trajectories of uncoupled complex systems to achieve complete synchronization. So far the noise-induced synchronization utilize the uncontrolled noise that can be applied in the entire state space. Here, we consider the controlled (intermittent) noise which is infused in the restricted state space to realize enhanced synchronization. We find that the intermittent noise, which is applied only to a fraction of the state space, restricts the trajectories to evolve within the contraction region for a longer period of time. The basin stability of the synchronized states (SS) is found to be significantly enhanced compared to uncontrolled noise. Additionally, we uncover that the SS prevail for an extended range of noise intensity. We elucidate the results numerically in the Lorenz chaotic system, the Pikovski–Rabinovich circuit model and the Hindmarsh–Rose neuron model.