Emergence of chimera in multiplex network
Saptarshi Ghosh, Sarika Jalan

TL;DR
This paper investigates the emergence and characteristics of chimera states in multiplex networks composed of 1-D lattices with non-local interactions, analyzing how multiplexing influences their regions and bifurcations.
Contribution
It demonstrates that multiplexing preserves chimera types but alters incoherence regions, and explores bifurcations, initial conditions, and critical coupling strengths affecting chimera dynamics.
Findings
Multiplexing retains multi-chimera states in isolated networks.
Incoherence regions are affected by multiplexing.
Critical coupling strength for chimera transition identified.
Abstract
Chimera is a relatively new emerging phenomenon where coexistence of synchronous and asynchronous state is observed in symmetrically coupled dynamical units. We report observation of the chimera state in multiplex networks where individual layer is represented by 1-d lattice with non-local interactions. While, multiplexing does not change the type of the chimera state and retains the multi-chimera state displayed by the isolated networks, it changes the regions of the incoherence. We investigate emergence of coherent-incoherent bifurcation upon varying the control parameters, namely, the coupling strength and the network size. Additionally, we investigate the effect of initial condition on the dynamics of the chimera state. Using a measure based on the differences between the neighboring nodes which distinguishes smooth and non-smooth spatial profile, we find the critical coupling…
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