Evidence of higher-order topology in multilayer WTe2 from Josephson coupling through anisotropic hinge states
Yong-Bin Choi, Yingming Xie, Chui-Zhen Chen, Jinho Park, Su-Beom Song, Jiho Yoon, B. J. Kim, Takashi Taniguchi, Kenji Watanabe, Jonghwan Kim, Kin Chung Fong, Mazhar N. Ali, Kam Tuen Law, Gil-Ho Lee.