%0 Journal Article %T Spin dependent bandgap renormalization and state filling effect in Bi$_2$Se$_3$ observed by ultrafast Kerr rotation %A Kikuchi, Kazuhiro %A Mizukoshi, Yu %A Fukuda, Takumi %A Fons, Paul %A Hase, Muneaki %J Condensed Matter %V 2024 %N 2405 %D 2024-05-21 %~ DeepDyve