Affiliation: | [1]State Key Lab of Low-Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 100084 [2]International Center for Quantum Materials, School of Physics, Peking University, Beijing 100871 [3]Collaborative Innovation Center of Quantum Matter, Beijing [4]Institute of Physics, Chinese Academy of Sciences, Beijing 100190 [5]WPI Advanced Institute for Materials Research, Tohoku University, Sendai 9808577, Japan [6]Wuhan National High Magnetic Field Center, Huazhong University of Science and Technology, Vguhan 430071 |