| 均匀聚焦磁场中束晕-混沌的孤子控制 |
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| 引用本文： | 张荣,白龙,翁甲强,方锦清. 均匀聚焦磁场中束晕-混沌的孤子控制[J]. 计算物理, 2007, 24(3): 325-329 |
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| 作者姓名： | 张荣 白龙 翁甲强 方锦清 |
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| 作者单位： | 中国矿业大学理学院物理系,江苏,徐州,221008;广西师范大学物理与信息工程学院,广西,桂林,541004;中国原子能科学研究院,北京,102413 |
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| 基金项目： | 国家自然科学基金 , 中国矿业大学校科研和教改项目 |
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| 摘 要： | 采用粒子.束核模型,对均匀聚焦磁场中满足K-V分布的离子束进行模拟研究.观察到束晕.混沌现象,基于束晕.混沌的非线性控制策略,提出控制束晕.混沌的孤子函数控制器,并给出具体的实施方案.模拟研究表明,运用这种方法可以消除束晕及其再生现象,达到对束晕.混沌的有效控制.
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| 关 键 词： | 强流离子束 束晕-混沌 均匀聚焦磁场 孤子函数控制器 |
| 文章编号： | 1001-246X（2007）03-0325-05 |
| 收稿时间： | 2006-01-06 |
| 修稿时间： | 2006-04-18 |
Control of Beam Halo-chaos with Soliton in a Uniform-focusing Channel |
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| ZHANG Rong,BAI Long,WENG Jiaqiang,FANG Jinqing. Control of Beam Halo-chaos with Soliton in a Uniform-focusing Channel[J]. Chinese Journal of Computational Physics, 2007, 24(3): 325-329 |
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| Authors: | ZHANG Rong BAI Long WENG Jiaqiang FANG Jinqing |
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| Affiliation: | 1. Department of Physics, College of Science, China University of Mining and Technology, Xuzhou 221008, China; 2. College of Physics and Information Technology, Guangxi Normal University, Guilin 541004, China ; 3. China Institute of Atomic Energy, Beijing 102413, China |
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| Abstract: | K-V beam through an axisymmetric uniform-focusing channel is studied in a particle-core model.Beam halo-chaos is observed and a soliton function controller is proposed based on halo formation and the control of halo-chaos.A multiparticle simulation to control the halo by a soliton function controller is performed.It shows that the halo-chaos and its regeneration can be eliminated. |
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| Keywords: | high intensity ion beam beam halo-chaos uniform-focusing channel soliton function controller |
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