Spinful hinge states in the higher-order topological insulators WTe2 (Direct observation of spinful hinge states in the higher-order topological insulators WTe2)
Jekwan Lee, Jaehyeon Kwon, Eunho Lee, Jiwon Park, Soonyoung Cha, Kenji Watanabe, Takashi Taniguchi, Moon-Ho Jo, Hyunyong Choi.