1. International Center for Quantum Materials, School of Physics, Peking University, Beijing 100871, People’s Republic of China
2. Institut für Theoretische Physik, Universität Leipzig, D-04103 Leipzig, Germany
3. Niels Bohr Institute, University of Copenhagen, Jagtvej 128, DK-2200 Copenhagen, Denmark
4. Department of Physics, University of Florida, Gainesville, Florida 32611, United States
5. CAS Center for Excellence in Topological Quantum Computation, University of Chinese Academy of Sciences, Beijing 100190, People’s Republic of China
6. Beijing Academy of Quantum Information Sciences, Beijing 100193, People’s Republic of China