作者
Li Wen-Qiu, Tang Yan-Na, Liu Ya-Lin, Wang Gang
发表日期
2024/4/5
期刊
ACTA PHYSICA SINICA
卷号
73
期号
7
出版商
CHINESE PHYSICAL SOC
简介
As a core phenomenon in helicon discharge, the plasma temperature anisotropy may play a crucial role in helicon wave power deposition. Under radially inhomogeneous plasma circumstances, by employing the warm plasma dielectric tensor model and considering the finite Larmor radius (FLR) effect and plasma temperature anisotropy effect, under the typical helicon discharge parameter conditions, the helicon wave and Trivelpiece-Gould (TG) wave mode coupling characteristic and influence of electron temperature anisotropy on the helicon wave power deposition induced by collisional and Landau damping mechanism are theoretically investigated. Detailed analysis shows that for typical helicon plasma electron temperature T-e = 3 eV and low magnetic field B-0 = 48 G, the electron FLR effect should be considered, while the ion FLR effect can be ignored due to its large inertia effect; compared with the …
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