1. Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, China
2. Department of Physics, University of Science and Technology of China, Hefei 230026, China
3. Hefei National Laboratory for Physical Sciences at Microscale, Department of Physics, University of Science and Technology of China, Hefei 230026, China
4. Beijing Computational Science Research Center, Beijing 100084, China