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Amplitude death in systems of coupled oscillators with distributed-delay coupling
journal contribution
posted on 2023-06-08, 12:46 authored by Yuliya KyrychkoYuliya Kyrychko, Konstantin BlyussKonstantin Blyuss, E SchöllThis paper studies the effects of coupling with distributed delay on the suppression of oscillations in a system of coupled Stuart-Landau oscillators. Conditions for amplitude death are obtained in terms of strength and phase of the coupling, as well as the mean time delay and the width of the delay distribution for uniform and gamma distributions. Analytical results are confirmed by numerical computation of the eigenvalues of the corresponding characteristic equations. These results indicate that larger widths of delay distribution increase the regions of amplitude death in the parameter space. In the case of a uniformly distributed delay kernel, for sufficiently large width of the delay distribution it is possible to achieve amplitude death for an arbitrary value of the average time delay, provided that the coupling strength has a value in the appropriate range. For a gamma distribution of delay, amplitude death is also possible for an arbitrary value of the average time delay, provided that it exceeds a certain value as determined by the coupling phase and the power law of the distribution. The coupling phase has a destabilizing effect and reduces the regions of amplitude death.
History
Publication status
- Published
Journal
European Physical Journal B: Condensed Matter and Complex SystemsISSN
1434-6028Publisher
EDP SciencesExternal DOI
Issue
2Volume
84Page range
307-315Department affiliated with
- Mathematics Publications
Full text available
- No
Peer reviewed?
- Yes
Legacy Posted Date
2012-11-08Usage metrics
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