1. Beijing National Laboratory for Condensed Matter Physics; Institute of Physics; Chinese Academy of Sciences; Beijing 100190 China
2. School of Physical Sciences; University of Chinese Academy of Sciences; Beijing 100190 China
3. School of Physics; Southeast University; Nanjing 211189 China
4. Quantum Condensed Matter Division; Oak Ridge National Laboratory; Oak Ridge TN 37831 USA
5. Institute for Chemical Research; Kyoto University; Uji Kyoto 611-0011 Japan
6. Materials and Structures Laboratory; Tokyo Institute of Technology; 4259 Nagatsuta Midori-ku Yokohama 226-8503 Japan
7. Institute of Engineering Innovation; University of Tokyo; Bunkyo Tokyo 113-8656 Japan
8. Max Planck Institute for Chemical Physics of Solids; Dresden 01187 Germany
9. Collaborative Innovation Center of Quantum Matter; Beijing 100190 China