Enhancing synchronization in chaotic oscillators by induced heterogeneity

Ranjib Banerjee, Bidesh K. Bera, Dibakar Ghosh, Syamal Kumar Dana

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

We report enhancing of complete synchronization in identical chaotic oscillators when their interaction is mediated by a mismatched oscillator. The identical oscillators now interact indirectly through the intermediate relay oscillator. The induced heterogeneity in the intermediate oscillator plays a constructive role in reducing the critical coupling for a transition to complete synchronization. A common lag synchronization emerges between the mismatched relay oscillator and its neighboring identical oscillators that leads to this enhancing effect. We present examples of one-dimensional open array, a ring, a star network and a two-dimensional lattice of dynamical systems to demonstrate how this enhancing effect occurs. The paradigmatic Rössler oscillator is used as a dynamical unit, in our numerical experiment, for different networks to reveal the enhancing phenomenon.

Original languageEnglish
Pages (from-to)1893-1902
Number of pages10
JournalEuropean Physical Journal: Special Topics
Volume226
Issue number9
DOIs
StatePublished - 1 Jun 2017
Externally publishedYes

ASJC Scopus subject areas

  • General Materials Science
  • General Physics and Astronomy
  • Physical and Theoretical Chemistry

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