1. School of Science, Nanjing University of Science and Technology, Nanjing 210094, People’s Republic of China
2. National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, People’s Republic of China
3. Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, People’s Republic of China
4. School of Physics, Southeast University, Nanjing 211189, People’s Republic of China
5. Collaborative Innovation Center of Quantum Matter, Beijing 100190, People’s Republic of China
6. School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China