| 电阻并联约瑟夫森结阵列中的混沌行为 |
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| 引用本文： | 周铁戈,王定城,赵新杰,方兰,阎少林. 电阻并联约瑟夫森结阵列中的混沌行为[J]. 低温与超导, 2009, 37(2) |
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| 作者姓名： | 周铁戈 王定城 赵新杰 方兰 阎少林 |
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| 作者单位： | 南开大学信息技术科学学院,天津,300071;南开大学信息技术科学学院,天津,300071;南开大学信息技术科学学院,天津,300071;南开大学信息技术科学学院,天津,300071;南开大学信息技术科学学院,天津,300071 |
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| 基金项目： | 国家高技术研究发展计划(863计划)，高等学校博士学科点专项科研基金 |
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| 摘 要： | 采用数值方法,对存在并联电阻的约瑟夫森结串联阵列进行了研究。首次发现当阵列中结的个数为3时,其中存在明显的混沌行为,并给出了存在混沌行为的参数范围。根据A.A.Chernikov和G.Schmidt的理论,只有当约瑟夫森结的个数大于或者等于4时才能观察到混沌行为;这一发现说明了其理论存在一定的局限性。
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| 关 键 词： | 约瑟夫森结 阵列 混沌行为 |
Chaotic behavior of the Josephson junction array shunted by a common resistor |
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| Zhou Tiege,Wang Dingcheng,Zhao Xinjie,Fang Lan,Yan Shaolin. Chaotic behavior of the Josephson junction array shunted by a common resistor[J]. Cryogenics and Superconductivity, 2009, 37(2) |
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| Authors: | Zhou Tiege Wang Dingcheng Zhao Xinjie Fang Lan Yan Shaolin |
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| Affiliation: | Zhou Tiege,Wang Dingcheng,Zhao Xinjie,Fang Lan,Yan Shaolin(College of Information Technology Science,Nankai University,Tianjin 300071,China) |
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| Abstract: | By numerical simulations,we investigated the dynamic behaviors of the series Josephson junction array shunted by a common resistor.For the first time,chaotic behaviors were found when there were three junctions with slight parameter range in the array.The parameter range where chaos existed was also presented.According to the theory of A.A.Chernikov and G.Schmidt,when there were four or more junctions in the array,the system should exhibit chaotic behavior.The results indicate that the theory of A.A.Chernik... |
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| Keywords: | Josephson junction Junction array Chaotic behavior |
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