Abstract
In a numerical experiment, it is found that at least three localized stationary breather type modes can exist in a chain of Rayleigh oscillators with a nonlinear coupling between them: immobile, “slow,” and “fast” dissipative breathers. The dynamics of synchronous motions of chain elements depends on the relation of characteristic time scales of the system related to the frequency of the oscillators and rigidity of the coupling between them; it is multistable.
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Funding
A.P. Chetverikov (development of the mathematical model and description of the attraction basin structure) acknowledges the support of the Russian Foundation for Basic Research within the framework of joint scientific project with the German Research Foundation no. 20-52-12004. K.S. Sergeev (carrying out the numerical experiment and work on the text of the paper) acknowledges the support of the Russian Science Foundation, project no. 20-12-00119.
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Translated by A. Nikol’skii
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Sergeev, K.S., Elizarov, E.M. & Chetverikov, A.P. Mobile Dissipative Breathers in a Chain of Nonlinear Oscillators. Tech. Phys. Lett. 46, 1068–1071 (2020). https://doi.org/10.1134/S1063785020110127
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DOI: https://doi.org/10.1134/S1063785020110127