1. Key Laboratory of Strongly Coupled Quantum Matter Physics Department of Physics University of Science and Technology of China Hefei 230026 China
2. School of Mathematical Sciences Huaqiao University Xiamen 361000 China
3. Institute of Nuclear Energy Safety Technology Hefei Institute of Physical Science Chinese Academy of Sciences Hefei 230031 China
4. Key Laboratory of Materials Physics Institute of Solid State Physics HFIPS Chinese Academy of Sciences Hefei 230031 P. R. China
5. Hefei National Research Center for Physical Sciences at the Microscale University of Science and Technology of China Hefei 230026 China