1. State Key Laboratory for Mesoscopic Physics and School of Physics, Peking University, Beijing 100871, China.
2. Collaborative Innovation Center of Quantum Matter, Beijing 100871, China.
3. Department of Electrical and Systems Engineering, Washington University, St. Louis, MO 63130, USA.
4. John A. Paulson School of Engineering and Applied Science, Harvard University, Cambridge, MA 02138, USA.
5. T. J. Watson Laboratory of Applied Physics, California Institute of Technology, Pasadena, CA 91125, USA.
6. Institut für Theoretische Physik, Otto-von-Guericke-Universität Magdeburg, Postfach 4120, 39016 Magdeburg, Germany.
7. Collaborative Innovation Center of Extreme Optics, Taiyuan, Shanxi 030006, China.