Journal
CHAOS
Volume 26, Issue 2, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4940967
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Funding
- RFBR [16-37-00104]
- CREST, JST
- IRTG [1740/TRP 2011/50151-0]
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A system of two asymmetrically coupled van der Pol oscillators has been studied. We show that the introduction of a small asymmetry in coupling leads to the appearance of a wideband synchronization channel in the bifurcational structure of the parameter space. An increase of asymmetry and transition to repulsive interaction leads to the formation of multistability. As the result, the tip of the Arnold's tongue widens due to the formation of folds defined by saddle-node bifurcation curves for the limit cycles on the torus. (C) 2016 AIP Publishing LLC.
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