The effect of nonlinear diffusive coupling on the synchronization of coupled oscillators

被引：1
|
作者：
Massihi, Negar [1 ]
Parastesh, Fatemeh [2 ]
Towhidkhah, Farzad [1 ]
Wang, Huihai [3 ]
He, Shaobo [4 ]
Jafari, Sajad [1 ,5 ]
机构：
[1] Amirkabir Univ Technol, Dept Biomed Engn, Tehran Polytech, Tehran, Iran
[2] Chennai Inst Technol, Ctr Nonlinear Syst, Chennai, India
[3] Cent South Univ, Sch Elect Informat, Changsha, Peoples R China
[4] Xiangtan Univ, Sch Automat & Elect Informat, Xiangtan 411105, Peoples R China
[5] Amirkabir Univ Technol, Hlth Technol Res Inst, Tehran Polytech, Tehran, Iran
来源：
EPL | 2024年 / 146卷 / 02期
关键词：
NETWORKS; PHASE;
D O I：
10.1209/0295-5075/ad33e7
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
This paper examines the impact of nonlinear coupling on the synchronization of interconnected oscillators. Various powers of diffusive coupling are explored to introduce nonlinear effects, and the results are contrasted with those of linear diffusive coupling. The study employs three representative chaotic systems, namely, the Lorenz, Rossler, and Hindmarsh-Rose systems. Findings indicate that nonlinear couplings with power below one result in synchronization at lower coupling strengths. Additionally, the critical coupling strength reduces as the coupling power decreases. However, the synchronization region undergoes changes and becomes bounded. Conversely, for powers exceeding one, networks are either unable to synchronize or require higher coupling strengths compared to linear coupling. Copyright (c) 2024 EPLA
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页数：7
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