1. Department of Physics, Yantai University, Yantai 264005, People's Republic of China
2. Department of Physics, Tsinghua University, Beijing 100084, People's Republic of China
3. Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, People's Republic of China
4. Collaborative Innovation Center of Quantum Matter, Beijing 100084, People's Republic of China