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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/084/02/0229-0235

    • Keywords

       

      Synchronization; chimera; Rössler system; van der Pol oscillator.

    • Abstract

       

      We report the existence of chimera states in an assembly of identical nonlinear oscillators that are globally linked to each other in a simple planar cross-coupled form. The rotational symmetry breaking of the coupling term appears to be responsible for the emergence of these collective states that display a characteristic coexistence of coherent and incoherent behaviour. The finding, observed in both a collection of van der Pol oscillators and chaotic Rössler oscillators, further simplifies the existence criterion for chimeras, thereby broadens the range of their applicability to real-world situations.

    • Author Affiliations

       

      C R Hens1 A Mishra2 P K Roy3 A Sen4 S K Dana1

      1. CSIR-Indian Institute of Chemical Biology, Kolkata 700 032, India
      2. Department of Physics, Jadavpur University, Kolkata 700 032, India
      3. Department of Mathematics, Presidency University, Kolkata 700 073, India
      4. Institute for Plasma Research, Gandhinagar 382 428, India

    • Dates

       
      Published
      February 2015
      Early published
      30 January 2015

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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