Journal
CHAOS
Volume 22, Issue 4, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4758814
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We consider a pair of coupled heterogeneous phase oscillator networks and investigate their dynamics in the continuum limit as the intrinsic frequencies of the oscillators are made more and more disparate. The Ott/Antonsen Ansatz is used to reduce the system to three ordinary differential equations. We find that most of the interesting dynamics, such as chaotic behaviour, can be understood by analysing a gluing bifurcation of periodic orbits; these orbits can be thought of as breathing chimeras in the limit of identical oscillators. We also add Gaussian white noise to the oscillators' dynamics and derive a pair of coupled Fokker-Planck equations describing the dynamics in this case. Comparison with simulations of finite networks of oscillators is used to confirm many of the results. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4758814]
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