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Jiaxu JI (季佳旭), Adi LIU (刘阿娣), Chu ZHOU (周楚), Xi FENG (冯喜), Shouxin WANG (王守信), Haiqing LIU (刘海庆), Hailin ZHAO (赵海林), Yong LIU (刘永), Jin ZHANG (张津), Zhaoyang LIU (刘朝阳), Xiaoming ZHONG (仲小明), Hongrui FAN (范泓锐), Ge ZHUANG (庄革), Jinlin XIE (谢锦林), Tao LAN (兰涛), Wenzhe MAO (毛文哲), Weixing DING (丁卫星), Hong LI (李弘), Zixi LIU (刘子奚), Wandong LIU (刘万东). The investigation of quasi coherent mode on EAST using Doppler reflectometry[J]. Plasma Science and Technology, 2021, 23(9): 95106-095106. DOI: 10.1088/2058-6272/ac0c6a
Citation: Jiaxu JI (季佳旭), Adi LIU (刘阿娣), Chu ZHOU (周楚), Xi FENG (冯喜), Shouxin WANG (王守信), Haiqing LIU (刘海庆), Hailin ZHAO (赵海林), Yong LIU (刘永), Jin ZHANG (张津), Zhaoyang LIU (刘朝阳), Xiaoming ZHONG (仲小明), Hongrui FAN (范泓锐), Ge ZHUANG (庄革), Jinlin XIE (谢锦林), Tao LAN (兰涛), Wenzhe MAO (毛文哲), Weixing DING (丁卫星), Hong LI (李弘), Zixi LIU (刘子奚), Wandong LIU (刘万东). The investigation of quasi coherent mode on EAST using Doppler reflectometry[J]. Plasma Science and Technology, 2021, 23(9): 95106-095106. DOI: 10.1088/2058-6272/ac0c6a
  • An electrostatic Quasi coherent mode has been observed in density fluctuations and perpendicular velocity fluctuations with the frequency range of 3–80 kHz on the Experimental Advanced Superconducting Tokamak using multi-channel Doppler reflectometry. It appears in the edge localized mode (ELM)-free period after L-H transition or in the inter-ELM period. The mode rotates almost together with the plasma with the poloidal wave number around 0.6 and its frequency chirps with plasma poloidal velocity. The mode can exist in a large radial coverage (ρ = 0.75–0.98), and peaks near the top of pedestal, suggesting that it might be excited in the steep gradient pedestal region, and spread into the core area.
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