1 International Center for Quantum Materials, School of Physics, Peking University, Beijing, China.
2 Institute of Experimental and Applied Physics, University of Regensburg, Regensburg, Germany.
3 Institute of Theoretical and Computational Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, China.
4 Institute of Physics, Czech Academy of Sciences, Prague, Czech Republic.
5 Department of Physics and Astronomy, London Centre for Nanotechnology, Thomas Young Centre, University College London, London, UK.
6 State Key Laboratory for Mesoscopic Physics and School of Physics, Peking University, Beijing, China.
7 Collaborative Innovation Center of Quantum Matter, Beijing, China.
8 Regional Centre of Advanced Technologies and Materials, Palacky University, Olomouc, Czech Republic.
9 International Center for Quantum Materials, School of Physics, Peking University, Beijing, China. limei.xu@pku.edu.cn.
10 Collaborative Innovation Center of Quantum Matter, Beijing, China. limei.xu@pku.edu.cn.
11 Institute of Theoretical and Computational Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, China. gaoyq@pku.edu.cn.
12 International Center for Quantum Materials, School of Physics, Peking University, Beijing, China. egwang@pku.edu.cn.
13 Collaborative Innovation Center of Quantum Matter, Beijing, China. egwang@pku.edu.cn.
14 CAS Center for Excellence in Topological Quantum Computation, University of Chinese Academy of Sciences, Beijing, China. egwang@pku.edu.cn.
15 International Center for Quantum Materials, School of Physics, Peking University, Beijing, China. yjiang@pku.edu.cn.
16 Collaborative Innovation Center of Quantum Matter, Beijing, China. yjiang@pku.edu.cn.
17 CAS Center for Excellence in Topological Quantum Computation, University of Chinese Academy of Sciences, Beijing, China. yjiang@pku.edu.cn.
In this Letter, the links to Supplementary Videos 5, 7, 9 and 10 were incorrect, and there were some formatting errors in the Supplementary Video legends. These errors have been corrected online.