Gyrokinetic particle simulation of fast-electron driven beta-induced Aflvén eigenmode
Gyrokinetic particle simulation of fast-electron driven beta-induced Aflvén eigenmode
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DOI：
10.1063/1.4948487
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发表时间：
2016-05
影响因子：
2.2
通讯作者：
Junyi Cheng;Wenlu Zhang;Zhihong Lin;I. Holod;Ding Li;Yang Chen;Jintao Cao
中科院分区：
文献类型：
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作者：
Junyi Cheng;Wenlu Zhang;Zhihong Lin;I. Holod;Ding Li;Yang Chen;Jintao Cao
The fast-electron driven beta-induced Alfven eigenmode (e-BAE) in toroidal plasmas is investigated for the first time using global gyrokinetic particle simulations, where the fast electron is described by the drift kinetic equation. The simulation shows that the e-BAE propagates in the fast electron diamagnetic direction and its polarization is close to an ideal MHD mode. The phase space structure shows that only the fast electron processional resonance is responsible for the e-BAE excitations while fast-ion driven BAE can be excited through all the channels, including transit, bounce, and processional resonance.
