Yong Zhong1, Sha Han1, Wang Yang1, Zhiling Luo1, Ding Zhang2,1, Lili Wang2,1, Wei Li2,1, Ke He2,1, Can‐Li Song2,1, Xucun Ma2,1, Qi‐Kun Xue2,1
1State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 100084, China
2Collaborative Innovation Center of Quantum Matter, Beijing 100084, China