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Drift Alfven energetic particle stability with circulating particles
Li, Y.1,2; Hu, S.3; Zheng, W.4,5; Xiao, Y.4,5
2020-06-01
Source PublicationPHYSICS OF PLASMAS
ISSN1070-664X
Volume27Issue:6Pages:11
AbstractWe develop from scratch a comprehensive linear stability eigenvalue code based on a finite element method, namely, the drift Alfven energetic particle stability (DAEPS) code, to investigate the physics of various stable and unstable modes observed in toroidal fusion plasmas, which has the advantage of accurate calculation of the mode characteristics near marginal stability. The DAEPS code is dedicated to providing a thorough understanding of low frequency modes in collisionless plasmas, e.g., shear Alfven wave SAW and drift Alfven wave physics with an energetic particle (EP) effect. DAEPS can calculate the linear frequency and growth rate for these modes by keeping correct asymptotic behavior in ballooning space. In this work, we demonstrate that the DAEPS code is able to analyze linear electromagnetic modes excited by circulating particles, including the thermal particle excited beta-induced Alfven eigenmode and EP excited toroidicity-induced Alfven eigenmode, where the verifications are performed successfully with other codes and theories, where the finite orbit width is discovered to play an important stabilizing role, which are usually ignored by traditional theory.
DOI10.1063/5.0005727
Indexed BySCI
Language英语
Funding ProjectNational Magnetic Confinement Fusion Program of China[2015GB110000] ; NSFC[11831016] ; National Science Fund for Distinguished Young Scholars[11725106]
WOS Research AreaPhysics
WOS SubjectPhysics, Fluids & Plasmas
WOS IDWOS:000538131200001
PublisherAMER INST PHYSICS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.amss.ac.cn/handle/2S8OKBNM/51585
Collection中国科学院数学与系统科学研究院
Corresponding AuthorZheng, W.; Xiao, Y.
Affiliation1.Zhejiang Univ, Inst Fus Theory & Simulat, Hangzhou 310027, Peoples R China
2.Zhejiang Univ, Dept Phys, Hangzhou 310027, Peoples R China
3.Guizhou Univ, Coll Phys, Guiyang 550025, Peoples R China
4.Chinese Acad Sci, Acad Math & Syst Sci, LSEC, NCMIS, Beijing 100190, Peoples R China
5.Univ Chinese Acad Sci, Sch Math Sci, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Li, Y.,Hu, S.,Zheng, W.,et al. Drift Alfven energetic particle stability with circulating particles[J]. PHYSICS OF PLASMAS,2020,27(6):11.
APA Li, Y.,Hu, S.,Zheng, W.,&Xiao, Y..(2020).Drift Alfven energetic particle stability with circulating particles.PHYSICS OF PLASMAS,27(6),11.
MLA Li, Y.,et al."Drift Alfven energetic particle stability with circulating particles".PHYSICS OF PLASMAS 27.6(2020):11.
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