[23A-SF3] Invited&Contributed

[23A-SF3-01] Charge-neutral fermions and magnetic field-driven instability in insulating YbIr₃Si₇

*YUKI SATO^1,4, Shota Suetsugu¹, Takahiro Tominaga¹, Yuichi Kasahara¹, Shigeru Kasahara^1,5, Takumi Kobayashi¹, Shunsaku Kitagawa¹, Kenji Ishida¹, Robert Peters¹, Takasada Shibauchi², Andriy Nevidomskyy³, Long Qian³, Emilia Morosan³, Yuji Matsuda¹ (1. Kyoto Univ., 2. Univ. of Tokyo, 3. Rice Univ., 4. RIKEN, 5. Okayama Univ.)