1. Princeton Plasma Physics Laboratory, Princeton, New Jersey 08543, USA
2. Department of Astrophysical Sciences, Princeton University, Princeton, New Jersey 08544, USA
3. School of Physical Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China
4. Center for Computational Astrophysics, The Flatiron Institute, 162 Fifth Avenue, New York, New York 10010, USA