[1
]University of California, Irvine, California 92697, USA
[2
]Beijing National Laboratory for Condensed Matter Physics and CAS Key Laboratory of
Soft Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190,
China
[3
]University of Chinese Academy of Sciences, Beijing 100049, China
[4
]TAE Technologies, Inc., 19631 Pauling, Foothill Ranch, California 92610, USA
[5
]Fusion Simulation Center, Peking University, Beijing 100871, China