Affiliation: | 1. CAS Key Laboratory of Strongly-Coupled Quantum Matter Physics, Department of Physics, University of Science and Technology of China, Hefei, China;2. Ames Laboratory, US Department of Energy, Ames, IA, USA;3. Ames Laboratory, US Department of Energy, Ames, IA, USA;4. Department of Physics, Iowa State University, Ames, IA, USA;5. Hefei National Laboratory for Physical Sciences at the Microscale and Department of Physics, University of Science and Technology of China, Hefei, China |