School of Nuclear Science and Technology;
University of South China;
Hengyang 421001;
People's Republic of China;
College of Science;
National University of Defense Technology;
Changsha 410073;
People's Republic of China;
Southwestern Institute of Physics;
Center for Fusion Science;
Chengdu 610041;
People's Republic of China;
School of Mathematics and Physics;
Fujian University of Technology;
Fuzhou 350108;
People's Republic of China;
Institute of Plasma Physics;
Chinese Academy of Sciences;
Hefei 230031;
People's Republic of China;