International Joint Research Laboratory of Magnetic Confinement Fusion and Plasma Physics;
State Key Laboratory of Advanced Electromagnetic Engineering and Technology;
School of Electrical and Electronic Engineering;
Huazhong University of Science and Technology;
Wuhan 430074;
People's Republic of China;
Center for Momentum Transport and Flow Organization and Center for Astrophysics and Space Sciences;
University of California at San Diego;
La Jolla;
CA 92093-0424;
United States of America;