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Journal Article

Criticality in transient behavior of coupled oscillator system toward chimera and synchronization


Yao,  Nan
External Organizations;

Zhang,  Qian-Yun
External Organizations;

Ren,  De-Yi
External Organizations;

Li,  You-Jun
External Organizations;

Su,  Chun-Wang
External Organizations;

Gao,  Zhong-Ke
External Organizations;


Kurths,  Jürgen
Potsdam Institute for Climate Impact Research;

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Yao, N., Zhang, Q.-Y., Ren, D.-Y., Li, Y.-J., Su, C.-W., Gao, Z.-K., Kurths, J. (2023): Criticality in transient behavior of coupled oscillator system toward chimera and synchronization. - Chaos, 33, 7, 073131.

Cite as: https://publications.pik-potsdam.de/pubman/item/item_28944
Chimera states in spatiotemporal dynamical systems have been investigated in physical, chemical, and biological systems, while how the system is steering toward different final destinies upon spatially localized perturbation is still unknown. Through a systematic numerical analysis of the evolution of the spatiotemporal patterns of multi-chimera states, we uncover a critical behavior of the system in transient time toward either chimera or synchronization as the final stable state. We measure the critical values and the transient time of chimeras with different numbers of clusters. Then, based on an adequate verification, we fit and analyze the distribution of the transient time, which obeys power-law variation process with the increase in perturbation strengths. Moreover, the comparison between different clusters exhibits an interesting phenomenon, thus we find that the critical value of odd and even clusters will alternatively converge into a certain value from two sides, respectively, implying that this critical behavior can be modeled and enabling the articulation of a phenomenological model.