1. Fusion Simulation Center, Peking University, Beijing 100871, China
2. Department of Physics and Astronomy, University of California, Irvine, California 92697, USA
3. Max Planck Computing and Data Facility, Giessenbachstrasse 2, 85748 Garching, Germany
4. Institute of Physics, Chinese Academy of Science, Beijing 100190, China
5. Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
6. Institute for Fusion Theory and Simulation, Department of Physics, Zhejiang University, Hangzhou 310027, China