Intrinsic suppression of the topological thermal Hall effect in an exactly solvable quantum magnet

S. Suetsugu,1 T. Yokoi,1 K. Totsuka,2 T. Ono,1 I. Tanaka,1 S. Kasahara,1, 3 Y. Kasahara,1 Z. Chengchao,4 H. Kageyama,4 and Y. Matsuda1 Department of Physics, Kyoto University, Kyoto 606-8502, Japan Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto 606-8502, Japan Research Institute for Interdisciplinary Science, Okayama University, Okayama 700-8530, Japan Department of Energy and Hydrocarbon Chemistry, Kyoto University, Nishikyo-ku, Kyoto, 615-8510, Japan (Dated: July 27, 2021)