Institution: | [1]School of Science, Southwest University of Science and Technology, Mianyang 621010, China [2]Center for Modern Physics, Chongqing University, Chongqing 400044, China [3]Department of Physics, Zhejiang University, Hangzhou 310027, China [4]Center for Statistical and Theoretical Condensed Matter Physics, Zhejiang Normal University, Jinhua 321004, China [5]Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China |