Two-cluster regular states, chimeras and hyperchaos in a system of globally coupled phase oscillators with inertia

Vyacheslav O. Munyayev, Maxim I. Bolotov, Lev A. Smirnov and Grigory V. Osipov

Chaos, Solitons & Fractals, 2024, vol. 179, issue C

Abstract: In this work, two-cluster modes are studied in a system of globally coupled Kuramoto–Sakaguchi phase oscillators with inertia. It is shown that these regimes can be of two types: with a constant intercluster phase difference rotating at the same frequency (according to the analysis, such regimes are always unstable) and with a periodically changing (taking into account the multiplicity of 2π) phase mismatch. The issues of existence and stability, emergence and destruction of two-cluster modes are studied depending on the parameters: effective mass (responsible for inertial processes in the model system under consideration) and phase shift in the coupling function. The analytical results are confirmed and supplemented by numerical simulation of the rotators (second order) interacting globally through the mean field.

Keywords: Phase oscillator; Inertia; Global coupling; Cluster; Chimera state; Hyperchaos; Stability analysis (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:179:y:2024:i:c:s0960077923013176

DOI: 10.1016/j.chaos.2023.114415

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