Phase synchronization and topological defects in inhomogeneous media

Publication Type:

Journal Article

Authors:

Source:

Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, Volume 66, Number 5, p.4 (2002)

URL:

https://www.scopus.com/inward/record.uri?eid=2-s2.0-41349084561&doi=10.1103%2fPhysRevE.66.055202&partnerID=40&md5=523112b30e45184b61d1fd6f8574ed1c

Keywords:

Annihilation, Article, Boundary conditions, Chaos theory, Chaotic oscillators, Computer Simulation, Correlation methods, Phase coherence, Phase measurement, Synchronization, Topological defects, Topology

Abstract:

The influence of topological defects on phase synchronization and phase coherence in two-dimensional arrays of locally coupled, nonidentical, chaotic oscillators is investigated. The motion of topological defects leads to a breakdown of phase synchronization in the vicinities of the defects; however, the system is much more phase coherent as long as the coupling between the oscillators is strong enough to prohibit the continuous dynamical creation and annihilation of defects. The generic occurrence of topological defects in two and higher dimensions implies that the concept of phase synchronization has to be modified for these systems. © 2002 The American Physical Society.

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