New type of chimera structures in a ring of bistable FitzHugh-Nagumo oscillators with nonlocal interaction
Igor A. Shepelev, Tatiana E. Vadivasova, Galina. I. Strelkova and, Vadim S. Anishchenko
TL;DR
This paper investigates novel chimera patterns in a ring of bistable FitzHugh-Nagumo oscillators with nonlocal coupling, revealing new structures in noise-free conditions and analyzing their parameter-dependent existence.
Contribution
It introduces a new type of chimera structures in a nonlocally coupled FitzHugh-Nagumo ring, expanding understanding of pattern formation in bistable neural networks.
Findings
Discovered new chimera patterns in noise-free bistable networks
Mapped the existence regions based on coupling parameters
Analyzed the dynamics of isolated and coupled elements
Abstract
We study the spatiotemporal dynamics of a ring of nonlocally coupled FitzHugh-Nagumo oscillators in the bistable regime. A new type of chimera patterns has been found in the noise-free network and when isolated elements do not oscillate. The region of existence of these structures has been explored when the coupling range and the coupling strength between the network elements are varied.
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