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题名: Explosive synchronization with asymmetric frequency distribution
作者: Zhou, WC;  Chen, LM;  Bi, HJ;  Hu, X;  Liu, ZH;  Guan, SG
刊名: PHYSICAL REVIEW E
出版日期: 2015
卷号: 92, 期号:1, 页码:12812
学科分类: Physics
DOI: http://dx.doi.org/10.1103/PhysRevE.92.012812
通讯作者: Guan, SG (reprint author), E China Normal Univ, Dept Phys, Shanghai 200241, Peoples R China.
文章类型: Article
英文摘要: In this work, we study the synchronization in a generalized Kuramoto model with frequency-weighted coupling. In particular, we focus on the situations in which the frequency distributions of oscillators are asymmetric. For typical unimodal frequency distributions, such as Lorentzian, Gaussian, triangle, and even special Rayleigh, we find that the synchronization transition in the model generally converts from the first order to the second order as the central frequency shifts toward positive direction. We characterize two interesting coherent states in the system: In the former, two phase-locking clusters are formed, rotating with the same frequency. They correspond to those oscillators with relatively high frequencies while the oscillators with relatively small frequencies are not entrained. In the latter, two phase-locking clusters rotate with different frequencies, leading to the oscillation of the order parameter. We further conduct theoretical analysis to reveal the relation between the asymmetric frequency distribution and the conversion of synchronization type, and justify the coherent states observed in the system.
类目[WOS]: Physics, Fluids & Plasmas ;  Physics, Mathematical
关键词[WOS]: KURAMOTO MODEL ;  OSCILLATORS ;  TRANSITION ;  NETWORKS
收录类别: SCI
项目资助者: Innovation Program of Shanghai Municipal Education Commission [12ZZ043] ;  National Natural Science Foundation of China [11075056, 11375066, 11305062, 11135001] ;  Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF151CJ1]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/20924
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Recommended Citation:
Zhou, WC,Chen, LM,Bi, HJ,et al. Explosive synchronization with asymmetric frequency distribution[J]. PHYSICAL REVIEW E,2015,92(1):12812.
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