Journal
CHAOS
Volume 24, Issue 1, Pages -Publisher
AIP Publishing
DOI: 10.1063/1.4858996
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Funding
- Deutsche Forschungsgemeinschaft [KR1189/12-1]
- Institute for Advanced Study, Technische Universitat Munchen
- German Excellence Initiative
- cluster of excellence Nanosystems Initiative Munich (NIM)
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We report a novel mechanism for the formation of chimera states, a peculiar spatiotemporal pattern with coexisting synchronized and incoherent domains found in ensembles of identical oscillators. Considering Stuart-Landau oscillators, we demonstrate that a nonlinear global coupling can induce this symmetry breaking. We find chimera states also in a spatially extended system, a modified complex Ginzburg-Landau equation. This theoretical prediction is validated with an oscillatory electrochemical system, the electro-oxidation of silicon, where the spontaneous formation of chimeras is observed without any external feedback control. (C) 2014 AIP Publishing LLC.
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