[14a-A15-1~10] 3.6 Ultrashort-pulse and high-intensity lasers

△ [14a-A15-8] Photoexcited carrier and lattice dynamics in Topological insulator Bi₂Te₃

〇Katsura Norimatsu^{1, 2, 3, 4}, Masaki Hada^{1, 5}, Tetsuya Tsuruta^{1, 3, 4}, Kyushiro Igarashi^{1, 3}, Sei-ichi Tanaka⁶, Ken Onda^{5, 6}, Takao Sasagawa^{1, 3}, Kazutaka Nakamura^{1, 3, 5} (1.MSL Tokyo Tech., 2.JSPS, 3.IGSSE Tokyo Tech., 4.JST-CREST, 5.JST-PRESTO, 6.GSE Tokyo Tech.)

Keywords:topological insulator,bandgap,time-resolved spectroscopy