Beijing National Laboratory for Condensed Matter Physics Institute of Physics Chinese Academy of Sciences Beijing 100190 China;
School of Physical Sciences University of Chinese Academy of Sciences Beijing 100049 China;
Songshan Lake Materials Laboratory Dongguan 523808 China;
CAS Center for Excellence in Topological Quantum Computation University of Chinese Academy of Sciences Beijing 100190 China;
Beijing Academy of Quantum Information Sciences Beijing 100193 China;