1. Beijing National Lab of Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
2. School of Physical Sciences, CAS Key Laboratory of Vacuum Physics, University of Chinese Academy of Sciences, Beijing 100190, China
3. Joule Physics Laboratory, University of Salford, Manchester M5 4WT, United Kingdom
4. Collaborative Innovation Center of Quantum Matter, Beijing 100190, China