Quanxin Hu¹, Xuezhi Chen^6,1, Yudong Hu¹, Chengnuo Meng⁶, Junchao Ren⁶, Junqin Li⁶, Zhenhua Chen⁶, Zhengtai Liu⁶, Mao Ye⁶, Makoto Hashimoto¹¹, Donghui Lu¹¹, Shifeng Jin^2,3, Binghai Yan¹², Lunhua He^2,7,13, Ziqiang Wang¹⁴, Tian Shang^4,*, Yaobo Huang^6,†, Baiqing Lv^1,5,15,‡, and Hong Ding^1,16,17

• ¹Tsung-Dao Lee Institute, Shanghai Jiao Tong University, Shanghai 200240, China
• ²Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
• ³University of Chinese Academy of Sciences, Beijing 100049, China
• ⁴Key Laboratory of Polar Materials and Devices (MOE), School of Physics and Electronic Science, East China Normal University, Shanghai 200241, China
• ⁵School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China
• ⁶Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, China
• ⁷Spallation Neutron Source Science Center, Dongguan 523803, China
• ⁸Institute for Quantum Science and Technology, Shanghai University, Shanghai 200444, China
• ⁹Department of Physics, Southern University of Science and Technology, Shenzhen 518055, China
• ¹⁰Departments of Physics and of Applied Physics, Stanford University, Stanford, California 94305, USA
• ¹¹Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
• ¹²Department of Condensed Matter Physics, Weizmann Institute of Science, Rehovot 7610001, Israel
• ¹³Songshan Lake Materials Laboratory, Dongguan 523808, China
• ¹⁴Department of Physics, Boston College, Chestnut Hill, Massachusetts 02467, USA
• ¹⁵Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University, Shanghai 200240, China
• ¹⁶Hefei National Laboratory, Hefei 230088, China
• ¹⁷New Cornerstone Science Laboratory, Shanghai 201210, China

• ^*Contact author: tshang@phy.ecnu.edu.cn
• ^†Contact author: huangyaobo@sari.ac.cn
• ^‡Contact author: baiqing@sjtu.edu.cn