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Transition from spiral wave chimeras to phase cluster states.


ABSTRACT: Photochemically coupled Belousov-Zhabotinsky micro-oscillators are studied in experiments and simulations. Generally good agreement between the experimental and simulated dynamical behavior is found, with spiral wave chimeras exhibited at small values of the time delay in the coupling between the oscillators, spiral wave core splitting at higher values, and phase cluster states replacing the spiral wave dynamics at the highest values of the time delay. Spiral wave chimera dynamics is exhibited experimentally for much of the time delay range, while spiral wave phase cluster states are exhibited more in the model simulations. In addition to comparing the experimental and simulation behavior, we explore the novel spiral wave phase cluster states and develop a mechanism for this new and unusual dynamical behavior.

SUBMITTER: Totz JF 

PROVIDER: S-EPMC7210287 | biostudies-literature | 2020 May

REPOSITORIES: biostudies-literature

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Transition from spiral wave chimeras to phase cluster states.

Totz Jan Frederik JF   Tinsley Mark R MR   Engel Harald H   Showalter Kenneth K  

Scientific reports 20200508 1


Photochemically coupled Belousov-Zhabotinsky micro-oscillators are studied in experiments and simulations. Generally good agreement between the experimental and simulated dynamical behavior is found, with spiral wave chimeras exhibited at small values of the time delay in the coupling between the oscillators, spiral wave core splitting at higher values, and phase cluster states replacing the spiral wave dynamics at the highest values of the time delay. Spiral wave chimera dynamics is exhibited e  ...[more]

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