PHASE CHAOS IN THE DISCRETE KURAMOTO MODEL

Publication: Research - peer-reviewJournal article – Annual report year: 2010

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The paper describes the appearance of a novel, high-dimensional chaotic regime, called phase chaos, in a time-discrete Kuramoto model of globally coupled phase oscillators. This type of chaos is observed at small and intermediate values of the coupling strength. It arises from the nonlinear interaction among the oscillators, while the individual oscillators behave periodically when left uncoupled. For the four-dimensional time-discrete Kuramoto model, we outline the region of phase chaos in the parameter plane and determine the regions where phase chaos coexists with different periodic attractors. We also study the subcritical frequency-splitting bifurcation at the onset of desynchronization and demonstrate that the transition to phase chaos takes place via a torus destruction process.
Original languageEnglish
JournalInternational Journal of Bifurcation and Chaos in Applied Sciences and Engineering
Publication date2010
Volume20
Journal number6
Pages1811-1823
ISSN0218-1274
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 1

Keywords

  • Phase chaos, Lyapunov exponents, discrete Kuramoto model, Arnol'd tongues
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