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Title: Verification of gyrokinetic particle simulation of current-driven instability in fusion plasmas. III. Collisionless tearing mode

Abstract

A finite-mass electron fluid model for low frequency electromagnetic fluctuations, particularly the collisionless tearing mode, has been implemented in the gyrokinetic toroidal code. Using this fluid model, linear properties of the collisionless tearing mode have been verified. Simulations verify that the linear growth rate of the single collisionless tearing mode is proportional to De2, where De is the electron skin depth. On the other hand, the growth rate of a double tearing mode is proportional to De in the parameter regime of fusion plasmas.

Authors:
ORCiD logo [1];  [2];  [3];  [3]; ORCiD logo [4]
  1. Southwestern Inst. of Physics, Chengdu (China); Sichuan Univ., Chengdu (China). College of Physical Science and Technology
  2. Peking Univ., Beijing (China). Fusion Simulation Center
  3. Sichuan Univ., Chengdu (China). College of Physical Science and Technology
  4. Univ. of California, Irvine, CA (United States). Dept. of Physics and Astronomy
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:
1565469
Alternate Identifier(s):
OSTI ID: 1236992
Grant/Contract Number:  
AC02-05CH11231; AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Physics of Plasmas
Additional Journal Information:
Journal Volume: 23; Journal Issue: 2; 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

Liu, Dongjian, Bao, Jian, Han, Tao, Wang, Jiaqi, and Lin, Zhihong. Verification of gyrokinetic particle simulation of current-driven instability in fusion plasmas. III. Collisionless tearing mode. United States: N. p., 2016. Web. doi:10.1063/1.4941094.
Liu, Dongjian, Bao, Jian, Han, Tao, Wang, Jiaqi, & Lin, Zhihong. Verification of gyrokinetic particle simulation of current-driven instability in fusion plasmas. III. Collisionless tearing mode. United States. doi:10.1063/1.4941094.
Liu, Dongjian, Bao, Jian, Han, Tao, Wang, Jiaqi, and Lin, Zhihong. Fri . "Verification of gyrokinetic particle simulation of current-driven instability in fusion plasmas. III. Collisionless tearing mode". United States. doi:10.1063/1.4941094. https://www.osti.gov/servlets/purl/1565469.
@article{osti_1565469,
title = {Verification of gyrokinetic particle simulation of current-driven instability in fusion plasmas. III. Collisionless tearing mode},
author = {Liu, Dongjian and Bao, Jian and Han, Tao and Wang, Jiaqi and Lin, Zhihong},
abstractNote = {A finite-mass electron fluid model for low frequency electromagnetic fluctuations, particularly the collisionless tearing mode, has been implemented in the gyrokinetic toroidal code. Using this fluid model, linear properties of the collisionless tearing mode have been verified. Simulations verify that the linear growth rate of the single collisionless tearing mode is proportional to De2, where De is the electron skin depth. On the other hand, the growth rate of a double tearing mode is proportional to De in the parameter regime of fusion plasmas.},
doi = {10.1063/1.4941094},
journal = {Physics of Plasmas},
number = 2,
volume = 23,
place = {United States},
year = {2016},
month = {2}
}

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