[1] Department of Physics and Institute of Theoretical Physics and Astrophysics,Xiamen University
[2] Department of Physics and Astronomy,University of California,Irvine,California ,USA
[3] Institute of Fusion Theory and Simulation,Zhejiang University
[4] CAS Key Laboratory of Basic Plasma Physics,University of Science and Technology of China
[5] Department of Physics and Astronomy,University of California
[6] Fusion Simulation Center,Peking