Partial synchronization and partial amplitude death in mesoscale network motifs

Winnie Poel, Anna Zakharova, and Eckehard Schöll
Phys. Rev. E 91, 022915 – Published 17 February 2015
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Abstract

We study the interplay between network topology and complex space-time patterns and introduce a concept to analytically predict complex patterns in networks of Stuart-Landau oscillators with linear symmetric and instantaneous coupling based solely on the network topology. These patterns consist of partial amplitude death and partial synchronization and are found to exist in large variety for all undirected networks of up to 5 nodes. The underlying concept is proved to be robust with respect to frequency mismatch and can also be extended to larger networks. In addition it directly links the stability of complete in-phase synchronization to only a small subset of topological eigenvalues of a network.

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  • Received 13 October 2014

DOI:https://doi.org/10.1103/PhysRevE.91.022915

©2015 American Physical Society

Authors & Affiliations

Winnie Poel, Anna Zakharova, and Eckehard Schöll*

  • Institut für Theoretische Physik, Technische Universität Berlin, Hardenbergstrasse 36, 10623 Berlin, Germany

  • *schoell@physik.tu-berlin.de

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Issue

Vol. 91, Iss. 2 — February 2015

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