Phase Locking and Chaos in a Josephson Junction Array Shunted by a Common Resistance |
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| Authors: | ZHOU Tie-Ge MAO Jing LIU Ting-Shu LAI Yue YAN Shao-Lin |
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| Affiliation: | Department of Electronics, Nankai University, Tianjin 300071 |
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| Abstract: | The dynamics of a Josephson junction array shunted by a common resistance are investigated by using numerical methods. Coexistence of phase locking and chaos is observed in the system when the resistively and capacitively shunted junction model is adopted. The corresponding parameter ranges for phase locking and chaos are presented. When there are three resistively shunted junctions in the array, chaos is found for the first time and the parameter range for chaos is also presented. According to the theory of Chernikov and Schmidt, when there are four or more junctions in the array, the system exhibits chaotic behavior. Our results indicate that the theory of Chernikov and Schmidt is not exactly appropriate. |
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| Keywords: | 74 81 Fa 74 50 +r |
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