Variety of spatio-temporal regimes in a 2D lattice of coupled bistable FitzHugh-Nagumo oscillators. Formation mechanisms of spiral and double-well chimeras

•Variety of the dynamical regimes is studied in the 2D lattice of bistable coupled FHN oscillators.•Two types of boundary conditions are considered.•Formation mechanisms both of double-well and spiral chimeras have been revealed. We consider the dynamics of a 2D lattice of nonlocally coupled FitzHug...

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Veröffentlicht in:	Communications in nonlinear science & numerical simulation 2019-12, Vol.79, p.104925, Article 104925
Hauptverfasser:	Shepelev, I.A., Vadivasova, T.E.
Format:	Artikel
Sprache:	eng
Schlagworte:	Bistability Boundary conditions Chimera state Fitzhugh-Nagumo oscillator Lattice of oscillators Lattice theory Liapunov exponents Lyapunov exponent Nonlocal coupling Oscillators Spiral chimera Spiral waves
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