Stable and transient multicluster oscillation death in nonlocally coupled networks

Isabelle Schneider, Marie Kapeller, Sarah Loos, Anna Zakharova, Bernold Fiedler, and Eckehard Schöll
Phys. Rev. E 92, 052915 – Published 30 November 2015

Abstract

In a network of nonlocally coupled Stuart-Landau oscillators with symmetry-breaking coupling, we study numerically, and explain analytically, a family of inhomogeneous steady states (oscillation death). They exhibit multicluster patterns, depending on the cluster distribution prescribed by the initial conditions. Besides stable oscillation death, we also find a regime of long transients asymptotically approaching synchronized oscillations. To explain these phenomena analytically in dependence on the coupling range and the coupling strength, we first use a mean-field approximation, which works well for large coupling ranges but fails for coupling ranges, which are small compared to the cluster size. Going beyond standard mean-field theory, we predict the boundaries of the different stability regimes as well as the transient times analytically in excellent agreement with numerical results.

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  • Received 5 July 2015
  • Revised 12 October 2015

DOI:https://doi.org/10.1103/PhysRevE.92.052915

©2015 American Physical Society

Authors & Affiliations

Isabelle Schneider1, Marie Kapeller2, Sarah Loos2, Anna Zakharova2, Bernold Fiedler1, and Eckehard Schöll2

  • 1Institut für Mathematik, Freie Universität Berlin, Arnimallee 7, 14195 Berlin, Germany
  • 2Institut für Theoretische Physik, Technische Universität Berlin, Hardenbergstraße 36, 10623 Berlin, Germany

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Vol. 92, Iss. 5 — November 2015

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