*Simon Gerber¹ (1. Paul Scherrer Institut(Switzerland))

*Robert Kuechler^1,2 (1. Max Planck Institute for Chemical Physics of Solids, Dresden(Germany), 2. Augsburg University, Augsburg (Germany))

S. J. Zhang¹, Z. X. Wang¹, H. Xiang², X. Yao², G. D. Gu³, Q. M. Liu¹, L. Y. Shi¹, T. Lin¹, T. Dong¹, D. Wu¹, *Nan-Lin Wang¹ (1. International Center for Quantum Materials, School of Physics, Peking University(China), 2. School of Physics and Astronomy, Shanghai Jiao Tong University(China), 3. Condensed Matter Physics and Materials Science Department, Brookhaven National Lab(United States of America))

*Liu Hao Tjeng¹, Hasan Yavas^1,2, Martin Sundermann^1,3, Brett Leedahl¹, Kai Chen³, Andrea Amorese^1,3, Andrea Severing^1,3, Hlynur Gretarsson^1,2, Maurits W. Haverkort⁴ (1. Max Planck Institute for Chemical Physics of Solids(Germany), 2. Deutsches Elektronen-Synchrotron (DESY)(Germany), 3. Institute of Physics II, University of Cologne(Germany), 4. Institute for Theoretical Physics, Heidelberg University(Germany))

*Christian Franz¹, Steffen Säubert^1,4, Andreas Wendl², Franz Haslbeck^3,2, Olaf Soltwedel^5,2, Johanna Katharina Jochum¹, Leonie Spitz^2,1, Peter Böni², Christian Pfleiderer² (1. Heinz Maier-Leibnitz Zentrum (MLZ), Technische Universität München, D-85748 Garching, Germany (Germany), 2. Physik-Department, Technical University of Munich, G-85748 Garching, Germany (Germany), 3. Institute for Advanced Study, Technical University of Munich, G-85748 Garching, Germany(Germany), 4. Department of Physics, Colorado State University, Fort Collins, CO 80523-1875, USA(United States of America), 5. Physik Department, Technische Universität Darmstadt, G-64289 Darmstadt, Germany(Germany))