Xinying Zheng^1,2, Zhengtai Liu⁴, Mao Ye⁴, Ye Chen^1,2, Tulai Sun^5,†, Michael Smidman^1,2, Johann Kroha^6,7, Chao Cao^1,2,8, Huiqiu Yuan^1,2,8,‡, Frank Steglich^1,2,9, Hai-Qing Lin^1,8, and Yang Liu^1,2,8,§

• ¹School of Physics, Zhejiang University, Hangzhou 310058, China
• ²New Cornerstone Science Laboratory and Center for Correlated Matter, Zhejiang University, Hangzhou 310058, China
• ³Laboratory of Thin Film Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
• ⁴Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, China
• ⁵Center for Electron Microscopy, Zhejiang University of Technology, Hangzhou 310014, China
• ⁶Physikalisches Institut and Bethe Center for Theoretical Physics, Universität Bonn, Nussallee 12, 53115 Bonn, Germany
• ⁷School of Physics and Astronomy, University of St. Andrews, North Haugh, Street Andrews, KY16 9SS, United Kingdom
• ⁸Institute for Advanced Study in Physics, Zhejiang University, Hangzhou 310058, China
• ⁹Max Planck Institute for Chemical Physics of Solids, 01187 Dresden, Germany

• ^*These authors contributed equally to this paper.
• ^†Contact author: tlsun2020@zjut.edu.cn
• ^‡Contact author: hqyuan@zju.edu.cn
• ^§Contact author: yangliuphys@zju.edu.cn