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Title: Tunable power law in the desynchronization events of coupled chaotic electronic circuits

We study the statistics of the amplitude of the synchronization error in chaotic electronic circuits coupled through linear feedback. Depending on the coupling strength, our system exhibits three qualitatively different regimes of synchronization: weak coupling yields independent oscillations; moderate to strong coupling produces a regime of intermittent synchronization known as attractor bubbling; and stronger coupling produces complete synchronization. In the regime of moderate coupling, the probability distribution for the sizes of desynchronization events follows a power law, with an exponent that can be adjusted by changing the coupling strength. Such power-law distributions are interesting, as they appear in many complex systems. However, most of the systems with such a behavior have a fixed value for the exponent of the power law, while here we present an example of a system where the exponent of the power law is easily tuned in real time.
Authors:
; ; ; ;  [1] ;  [2]
  1. Departamento de Física, Universidade Federal da Paraíba, 58051-900 João Pessoa, PB (Brazil)
  2. Departamento de Informática, Universidade Federal da Paraíba, 58051-900 João Pessoa, PB (Brazil)
Publication Date:
OSTI Identifier:
22251691
Resource Type:
Journal Article
Resource Relation:
Journal Name: Chaos (Woodbury, N. Y.); Journal Volume: 24; Journal Issue: 1; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; AMPLITUDES; ATTRACTORS; BUBBLES; CHAOS THEORY; COUPLING; ELECTRONIC CIRCUITS; PROBABILITY; STRONG-COUPLING MODEL; SYNCHRONIZATION; YIELDS