Recent progress in the interaction between energetic particles and tearing modes

被引：13
作者：
Cai, Huishan [1 ]
Li, Ding [2 ,3 ]
机构：
[1] Univ Sci & Technol China, Key Lab Geospace Environm, Sch Nucl Sci & Technol, Chinese Acad Sci, Hefei 230026, Peoples R China
[2] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
[3] Songshan Lake Mat Lab, Dongguan 523808, Peoples R China
来源：
NATIONAL SCIENCE REVIEW | 2022年 / 9卷 / 11期
基金：
中国国家自然科学基金;
关键词：
magnetically confined plasma; energetic particle; tearing mode; transport; confinement; tokamak; MAGNETIC ISLANDS; IONS; PLASMAS; INSTABILITIES; CONFINEMENT;
D O I：
10.1093/nsr/nwac019
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
One of the critical physics problems in magnetically confined fusion plasma, that the interaction between energetic particles and tearing modes, is reviewed based on theory, simulation and experiment. The dynamics of energetic particles and tearing modes and the interactions between them are of great significance for magnetically confined fusion plasmas. In this review, we focus on these issues in the context of tokamak plasmas. The interaction between energetic particles and tearing modes is considered from two perspectives: (i) the influence of energetic particles on tearing modes and (ii) the transport of energetic particles by tearing modes. The influence of energetic particles on tearing modes is described on the basis of a general dispersion relation for tearing modes. The effects of energetic particles are considered separately in the outer region and the island region of a tearing mode. The physics mainly results from the modification of the perturbed parallel current by energetic particles without wave-particle resonance. In addition, the resonance between energetic particles and tearing modes is also reviewed. For the transport of energetic particles, transport of both circulating and trapped energetic particles by tearing mode is reviewed. Our descriptions of physical phenomena here are based on an analytical approach, while the experiments and simulations are used to illustrate and confirm our results. Finally, a number of open issues are discussed.
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页数：22
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