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强流离子束中单离子运动规律的模拟研究
引用本文:田敬北,翁甲强,白龙,成丽春.强流离子束中单离子运动规律的模拟研究[J].广西师范大学学报(自然科学版),2005,23(3):13-16.
作者姓名:田敬北  翁甲强  白龙  成丽春
作者单位:广西师范大学,物理与信息工程学院,广西,桂林,541004;中国矿业大学,理学院,江苏,徐州,221008;桂林电子工业学院,信息材料科学与工程系,广西,桂林,541004
基金项目:国家自然科学基金资助项目(10247005)
摘    要:运用多粒子模拟程序(PIC),对初始分布为K-V分布的离子束中的单离子在束晕控制前后进行模拟跟踪,结果发现,单个离子的运动虽然复杂,但大体可以分成两种类型.其中一类与束晕的形成关系密切.采用非线性反馈控制法,可以将这类离子的运动限制在核区内,因而使束晕得到有效控制.

关 键 词:非线性  强流离子加速器  束晕-混沌  单离子运动规律
文章编号:1001-6600(2005)03-0013-04
收稿时间:2005-03-10
修稿时间:2005-03-10

THE SIMULATION OF THE MOTION FOR SINGLE ION IN HIGH INTENSITY ION BEAM
TIAN Jing-bei,WENG Jia-qiang,Bai Long,CHENG Li-chun.THE SIMULATION OF THE MOTION FOR SINGLE ION IN HIGH INTENSITY ION BEAM[J].Journal of Guangxi Normal University(Natural Science Edition),2005,23(3):13-16.
Authors:TIAN Jing-bei  WENG Jia-qiang  Bai Long  CHENG Li-chun
Institution:1. College of Physics and Information Engineering,Guangxi Normal University,Guilin 541004,China;2. College of Science ,China University of Mining and Technology ,Xuzhou 221008 ,China; 3. Department of Information Material Science and Engineering,Guilin University of Electronic Technology, Guilin 541004 ,China
Abstract:The motion of the single ion with and without control in the ionic beam is studied by applying the PIC simulation procedure. Although the simulation work indicates that the ionic motion is very complex,it can fall into two kinds ,of which one plays a key role in the halo formation. By introducing nonlinear feedback controller the halo formation can be effectively controlled.
Keywords:nonlinear  high current ion linac  halo-chaos  single ion motion
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