1. The Beijing Key Laboratory for Nano-Photonics and Nano-Structure (NPNS)
2. Center for Condensed Matter Physics
3. Department of Physics
4. Capital Normal University
5. Beijing 100048
6. School of Physics and Technology
7. Wuhan University
8. Wuhan 430072
9. P. R. China
10. Beijing National Laboratory for Condensed Matter Physics
11. Institute of Physics Chinese Academy of Sciences
12. University of Physics Chinese Academy of Sciences
13. Collaborative Innovation Center of Quantum Matter
14. Beijing 100190
15. The Institute for Advanced Studies