期刊
PHYSICS LETTERS A
卷 383, 期 32, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.physleta.2019.125930
关键词
Attractive and repulsive interactions; Continuous and discontinuous transitions; Oscillation suppression
资金
- SERB, Department of Science and Technology (DST), India [EMR/2016/005561]
We consider a variant of two coupled Van der Pot oscillators with both attractive and repulsive mean-field interactions. In the presence of attractive coupling, the system is in the complete synchrony, while repulsive coupling shows anti-synchronization state leading to suppression of oscillations with increasing interaction strength. The coupled system with both attractive and repulsive interactions shows competitive tendencies of being complete synchronization and anti-synchronization resulting in the stabilization of the fixed point. We have also studied the effect of the damping coefficient of the VdP oscillator on the nature of the transition from oscillatory to a steady-state. These oscillators stabilize to unstable equilibrium point or coupling dependent inhomogeneous steady state via second or first-order transitions respectively depending upon the damping coefficient and coupling strength. These transitions are analyzed in the parameter plane by analytical and numerical studies of the two coupled Van der Pol oscillators. (C) 2019 Elsevier B.V. All rights reserved.
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