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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/064/03/0443-0454

    • Keywords

       

      Chua’s circuit; asymmetry; mixed mode oscillations; homoclinic chaos; bursting

    • Abstract

       

      We report our experimental observations of the Shil’nikov-type homoclinic chaos in asymmetry-induced Chua’s oscillator. The asymmetry plays a crucial role in the related homoclinic bifurcations. The asymmetry is introduced in the circuit by forcing a DC voltage. For a selected asymmetry, when a system parameter is controlled, we observed transition from large amplitude limit cycle to homoclinic chaos via a sequence of periodic mixed-mode oscillations interspersed by chaotic states. Moreover, we observed two intermediate bursting regimes. Experimental evidences of homoclinic chaos are verified with PSPICE simulations.

    • Author Affiliations

       

      S K Dana S Chakraborty G Ananthakrishna1

      1. Material Research Centre and Centre for Condensed Matter Physics, Indian Institute of Science, Bangalore - 560 016, India

    • Dates

       
      Published
      March 2005

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