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Explicit K-symplectic algorithms for charged particle dynamics

文献类型：期刊论文

作者He, Yang1; Zhou, Zhaoqi2; Sun, Yajuan2,3; Liu, Jian4,5,6; Qin, Hong4,5,7
刊名PHYSICS LETTERS A
出版日期2017-02-12
卷号381期号:6页码:568-573
关键词Lorentz force equation K-symplectic integrator Splitting method Hamiltonian splitting Energy preservation
ISSN号0375-9601
DOI10.1016/j.physleta.2016.12.031
英文摘要We study the Lorentz force equation of charged particle dynamics by considering its K-symplectic structure. As the Hamiltonian of the system can be decomposed as four parts, we are able to construct the numerical methods that preserve the K-symplectic structure based on Hamiltonian splitting technique. The newly derived numerical methods are explicit, and are shown in numerical experiments to be stable over long-term simulation. The error convergency as well as the long term energy conservation of the numerical solutions is also analyzed by means of the Darboux transformation. (C) 2016 Elsevier B.V. All rights reserved.
资助项目National Natural Science Foundation of China[11271357] ; National Natural Science Foundation of China[11261140328] ; National Natural Science Foundation of China[11305171] ; National Natural Science Foundation of China[11321061] ; National Natural Science Foundation of China[11505185] ; ITER-China Program[2014GB124005] ; ITER-China Program[2015GB111003] ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics[NSFC-11261140328]
WOS研究方向Physics
语种英语
WOS记录号WOS:000392777100002
出版者ELSEVIER SCIENCE BV
源URL[http://ir.amss.ac.cn/handle/2S8OKBNM/24651]  
专题计算数学与科学工程计算研究所
通讯作者Sun, Yajuan
作者单位1.Univ Sci & Technol Beijing, Sch Math & Phys, Beijing 100083, Peoples R China
2.Chinese Acad Sci, Acad Math & Syst Sci, LSEC, POB 2719, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Anhui, Peoples R China
5.Univ Sci & Technol China, Sch Nucl Sci & Technol, Hefei 230026, Anhui, Peoples R China
6.Chinese Acad Sci, Key Lab Geospace Environm, Hefei 230026, Anhui, Peoples R China
7.Princeton Univ, Plasma Phys Lab, POB 451, Princeton, NJ 08543 USA
推荐引用方式
GB/T 7714		 He, Yang,Zhou, Zhaoqi,Sun, Yajuan,et al. Explicit K-symplectic algorithms for charged particle dynamics[J]. PHYSICS LETTERS A,2017,381(6):568-573.
APA He, Yang,Zhou, Zhaoqi,Sun, Yajuan,Liu, Jian,&Qin, Hong.(2017).Explicit K-symplectic algorithms for charged particle dynamics.PHYSICS LETTERS A,381(6),568-573.
MLA He, Yang,et al."Explicit K-symplectic algorithms for charged particle dynamics".PHYSICS LETTERS A 381.6(2017):568-573.

入库方式： OAI收割

来源：数学与系统科学研究院

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