| Fishbone Instability Excited by Barely Trapped Electrons |
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| 作者姓名： | 王中天 龙永兴 董家齐 王龙 Fulvio Zonca |
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| 作者单位： | [1]Southwestern Institute of Physics, PO Box 432, Chengdu 610041 [2]Institute of Physics, Chinese Academy of Sciences, Beijing 100080 [3]Associazione EURATOM-ENEA, Sulla Fusione, C.P. 65-00044 Frascati, Rome, Italy |
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| 基金项目： | Supported by National Natural Science Foundations of China under Grant Nos. 19885006, 10175020 and 10135020. |
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| 摘 要： | Fishbone instability excited by barely trapped suprathermal electrons （BTSEs） in tokamaks is investigated theoretically. The frequency of the mode is found to close to procession frequency of BTSEs. The growth rate of the mode is much smaller than that of the ideal magnetohytrodynamic （MHD） internal kink mode that is in contrast to the case of trapped ion driven fishbone instability. The analyses also show that spatial density gradient reversal is necessary for the instability. The correlation of the results with experiments is discussed.
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| 关 键 词： | 陷落电子 托卡马克装置 生长率 内扭结模式 非稳定性 |
| 收稿时间： | 2005-06-24 |
| 修稿时间： | 2005-06-24 |
Fishbone Instability Excited by Barely Trapped Electrons |
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| WANG Zhong-Tian, LONG Yong-Xing, DONG Jia-Qi, WANG Long.Fishbone Instability Excited by Barely Trapped Electrons[J].Chinese Physics Letters,2006,23(1):158-160. |
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| Authors: | WANG Zhong-Tian LONG Yong-Xing DONG Jia-Qi WANG Long |
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