Experimental observation of chimera and cluster states in a minimal globally coupled network
- Institute for Research in Electronics and Applied Physics, University of Maryland, College Park, Maryland 20742 (United States)
- Department of Mathematics, University at Buffalo, SUNY Buffalo, New York 14260 (United States)
A “chimera state” is a dynamical pattern that occurs in a network of coupled identical oscillators when the symmetry of the oscillator population is broken into synchronous and asynchronous parts. We report the experimental observation of chimera and cluster states in a network of four globally coupled chaotic opto-electronic oscillators. This is the minimal network that can support chimera states, and our study provides new insight into the fundamental mechanisms underlying their formation. We use a unified approach to determine the stability of all the observed partially synchronous patterns, highlighting the close relationship between chimera and cluster states as belonging to the broader phenomenon of partial synchronization. Our approach is general in terms of network size and connectivity. We also find that chimera states often appear in regions of multistability between global, cluster, and desynchronized states.
- OSTI ID:
- 22596657
- Journal Information:
- Chaos (Woodbury, N. Y.), Journal Name: Chaos (Woodbury, N. Y.) Journal Issue: 9 Vol. 26; ISSN CHAOEH; ISSN 1054-1500
- Country of Publication:
- United States
- Language:
- English
Similar Records
Impact of hyperbolicity on chimera states in ensembles of nonlocally coupled chaotic oscillators
Driving-induced multistability in coupled chaotic oscillators: Symmetries and riddled basins