The influence of RF current on the tearing mode in multi-harmonic theory
Abstract The tearing mode dispersion relation is calculated in the J-TEXT tokamak by the method of Fitzpatrick’s multi-harmonic Rutherford theory and the two-harmonic code. Calculations for two-harmonic approximation indicate that when the radio-frequency (RF) current is more concentrated at the O-point, whether radially or angularly, it tends to excite the second harmonic. The second harmonic component of the RF-current excitation is more beneficial for the stabilization of the tearing mode.
Authors
- Wen Wang (ORCID: https://orcid.org/0000-0003-1867-0937)
- Tao Xu (ORCID: https://orcid.org/0000-0002-8260-9754)
- Gang Feng (ORCID: https://orcid.org/0000-0003-4828-5108)
- Yi Zhang (ORCID: https://orcid.org/0000-0003-2888-4736)
- Nengchao Wang
Institutions
- Huazhong University of Science and Technology (CN)
Publication Details
- Journal
- Plasma Science and Technology
- Published
- 2025-04-21
- DOI
- https://doi.org/10.1088/2058-6272/adcefd
- Primary Topic
- Geophysics and Sensor Technology
- Type
- article
- Field-Weighted Citation Impact
- 0.00