Chaotic dynamics of a parametrically modulated Josephson junction with quadratic damping

被引:10
作者
Li, F. [1 ]
Zhou, B. J. [1 ]
Shu, W. X. [2 ]
Luo, H. L. [2 ]
Huang, Z. Y. [1 ]
Tian, L. [1 ]
机构
[1] Hunan Univ Sci & Technol, Dept Phys, Xiangtan 411201, Peoples R China
[2] Hunan Univ, Sch Comp & Commun, Changsha 410082, Hunan, Peoples R China
关键词
D O I
10.1140/epjd/e2008-00201-5
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We study the chaotic dynamics of a parametrically modulated Josephson junction with quadratic damping. The Melnikov chaotic criteria are presented. When the perturbation conditions cannot be satisfied, numerical simulations demonstrate that the system can step into chaos via a quasi-periodic route with the increasing of the dc component of the modulation. However, it is numerically demonstrated that adding a feedback to the system can effectively suppress the chaos.
引用
收藏
页码:75 / 80
页数:6
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