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Title: Gyrokinetic particle simulation of fast-electron driven beta-induced Aflvén eigenmode

Abstract

The fast-electron driven beta-induced Alfvén 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. Here, 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.

Authors:
ORCiD logo [1];  [2]; ORCiD logo [3];  [4];  [5];  [1];  [6]
  1. Univ. of Science and Technology of China, Anhui (China); Chinese Academy of Sciences (CAS), Beijing (China)
  2. Univ. of Science and Technology of China, Anhui (China); Chinese Academy of Sciences (CAS), Beijing (China); Univ. of California, Irvine, CA (United States)
  3. Univ. of California, Irvine, CA (United States); Peking Univ., Beijing (China)
  4. Univ. of California, Irvine, CA (United States)
  5. Chinese Academy of Sciences (CAS), Beijing (China); Univ. of Science and Technology of China, Anhui (China)
  6. Chinese Academy of Sciences (CAS), Beijing (China)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1565474
Alternate Identifier(s):
OSTI ID: 1251480
Grant/Contract Number:  
AC02-05CH11231; AC05-00OR22725; AC02-05-CH11231
Resource Type:
Accepted Manuscript
Journal Name:
Physics of Plasmas
Additional Journal Information:
Journal Volume: 23; Journal Issue: 5; Journal ID: ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; Physics

Citation Formats

Cheng, Junyi, Zhang, Wenlu, Lin, Zhihong, Holod, Ihor, Li, Ding, Chen, Yang, and Cao, Jintao. Gyrokinetic particle simulation of fast-electron driven beta-induced Aflvén eigenmode. United States: N. p., 2016. Web. doi:10.1063/1.4948487.
Cheng, Junyi, Zhang, Wenlu, Lin, Zhihong, Holod, Ihor, Li, Ding, Chen, Yang, & Cao, Jintao. Gyrokinetic particle simulation of fast-electron driven beta-induced Aflvén eigenmode. United States. https://doi.org/10.1063/1.4948487
Cheng, Junyi, Zhang, Wenlu, Lin, Zhihong, Holod, Ihor, Li, Ding, Chen, Yang, and Cao, Jintao. Thu . "Gyrokinetic particle simulation of fast-electron driven beta-induced Aflvén eigenmode". United States. https://doi.org/10.1063/1.4948487. https://www.osti.gov/servlets/purl/1565474.
@article{osti_1565474,
title = {Gyrokinetic particle simulation of fast-electron driven beta-induced Aflvén eigenmode},
author = {Cheng, Junyi and Zhang, Wenlu and Lin, Zhihong and Holod, Ihor and Li, Ding and Chen, Yang and Cao, Jintao},
abstractNote = {The fast-electron driven beta-induced Alfvén 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. Here, 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.},
doi = {10.1063/1.4948487},
journal = {Physics of Plasmas},
number = 5,
volume = 23,
place = {United States},
year = {Thu May 05 00:00:00 EDT 2016},
month = {Thu May 05 00:00:00 EDT 2016}
}

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Cited by: 21 works
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Works referencing / citing this record:

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