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Nonlinear Sciences > Adaptation and Self-Organizing Systems

arXiv:1704.04130 (nlin)
[Submitted on 12 Apr 2017]

Title:A universal order parameter for synchrony in networks of limit cycle oscillators

Authors:Malte Schröder, Marc Timme, Dirk Witthaut
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Abstract:We analyze the properties of order parameters measuring synchronization and phase locking in complex oscillator networks. First, we review network order parameters previously introduced and reveal several shortcomings: none of the introduced order parameters capture all transitions from incoherence over phase locking to full synchrony for arbitrary, finite networks. We then introduce an alternative, universal order parameter that accurately tracks the degree of partial phase locking and synchronization, adapting the traditional definition to account for the network topology and its influence on the phase coherence of the oscillators. We rigorously proof that this order parameter is strictly monotonously increasing with the coupling strength in the phase locked state, directly reflecting the dynamic stability of the network. Furthermore, it indicates the onset of full phase locking by a diverging slope at the critical coupling strength. The order parameter may find applications across systems where different types of synchrony are possible, including biological networks and power grids.
Comments: 8 pages, 4 figures
Subjects: Adaptation and Self-Organizing Systems (nlin.AO); Chaotic Dynamics (nlin.CD)
Cite as: arXiv:1704.04130 [nlin.AO]
  (or arXiv:1704.04130v1 [nlin.AO] for this version)
  https://doi.org/10.48550/arXiv.1704.04130
Journal reference: Chaos 27, 073119 (2017)
Related DOI: https://doi.org/10.1063/1.4995963

Submission history

From: Malte Schröder [view email]
[v1] Wed, 12 Apr 2017 15:20:00 UTC (382 KB)
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