1. Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, and School of Physics and Telecommunication Engineering South China Normal University Guangzhou Guangdong 510006 China
2. Department of Physics City University of Hong Kong Tat Chee Avenue Kowloon Hong Kong SAR China
3. City University of Hong Kong Shenzhen Research Institute Shenzhen Guangdong 518057 China
4. Guangdong‐Hong Kong Joint Laboratory of Quantum Matter, and Frontier Research Institute for Physics South China Normal University Guangzhou Guangdong 510006 China