Author:
YANG Junhui,CAO Jinjia,ZHAO Jianhua,DAI Yongzhi,XIANG Dong
Abstract
Abstract
In this work, the effect of a magnetic island on Alfvén waves is studied. A physical model is established wherein Alfvén waves propagate in the presence of a magnetic island in a cylindrical geometry. The structure of the Alfvén wave continuum is calculated by considering only the coupling caused by the periodicity in the helical angle of the magnetic island. The results show that the magnetic island can induce an upshift in the Alfvén continuum. Moreover, the coupling between different branches of the continuous spectrum becomes more significant with increasing continuum mode numbers near the boundary of the magnetic island.
Funder
Key Laboratory of Magnetic Confinement Nuclear Fusion Research in Hengyang
National Natural Science Foundation of China
National Magnetic Confinement Fusion Science Program
Key Scientific Research Program of Education Department of Hunan Province
the ITER Project of Ministry of Science and Technology
International Cooperation Base Project of Hunan Province of China
the Ph.D. Start-Up Fund of University of South China
Hunan Provincial Natural Science Foundation of China
Cited by
1 articles.
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