[Th-L] Poster Session

[Th-L-03] Multipole Fluctuation of Iron Pnictide Superconductor Ba(Fe_1-xCo_x)₂As₂

*Haruyasu Sato¹, Mitsuhiro Akatsu¹, Yuichi Nemoto¹, Terutaka Goto¹, Ryosuke Kurihara², Keisuke Mitsumoto³, Yoshiaki Kobayashi⁴, Masatoshi Sato⁴ (1. Niigata University(Japan), 2. The University of Tokyo(Japan), 3. Toyama Prefectural University(Japan), 4. Nagoya University(Japan))

Keywords:Iron-based superconductor, Ultrasound measurements, Multipole ordering, Critical phenomena