[D2-O503] Oral 503

[D2-O503-03 (Symposium Invited)] The Nematic Fluctuation in Optimally Doped (Ca_0.85La_0.15)₁₀(Pt₃As₈)(Fe₂As₂)₅ Superconductor Revealed by Ultrafast Optical Spectroscopy

Qi-Yi Wu¹, Chen Zhang¹, Ze-Zhong Li², Wen-Shan Hong^2,5, Hao Liu¹, Jiao-Jiao Song¹, Yin-Zou Zhao¹, Ya-Hua Yuan¹, Bo Chen¹, Xue-Qing Ye¹, Shiliang Li^2,4, Jun He¹, Hai-Yun Liu³, Yu_Xia Duan¹, Hui-Qian Luo^2,4, *Jianqiao Meng¹ (1. Central South Univ. (China), 2. Institute of Physics, Chinese Academy of Sciences (China), 3. Beijing Academy of Quantum Information Sciences (China), 4. Songshan Lake Materials Lab. (China), 5. School of Physics, Peking Univ. (China))

Keywords:Iron- based superconductor, Nematic, electron-phonon coupling, Ultrafast Optical Spectroscopy