Chimera states in coupled sine-circle map lattices

Details Chimera states in coupled sine-circle map lattices Chimera states in coupled sine-circle map lattices

2010-11-24

arxiv.org/abs/1011.5492v1

Proceedings of the International Conference on Applications in Nonlinear Dynamics, ICAND 2010, September 21-24, 2010

Nonlinear Sciences

Chaotic Dynamics

10 pages, 5 pictures

Scientific paper

Systems of coupled oscillators have been seen to exhibit chimera states, i.e. states where the system splits into two groups where one group is phase locked and the other is phase randomized. In this work, we report the existence of chimera states in a system of two interacting populations of sine circle maps. This system also exhibits the clustered chimera behavior seen earlier in delay coupled systems. Rich spatio-temporal behavior is seen in different regimes of the phase diagram.We carry out a detailed analysis of the stability regimes and map out the phase diagram using numerical and analytic techniques.

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