Coexisting topological hinges and 1D Rashba states in Bi${}_{0.97}$Sb${}_{0.03}$ revealed by the Josephson effect

Biplab Bhattacharyya, Stijn R. de Wit, Zhen Wu +4

Second-order topological insulating (SOTI) states in three-dimensional materials are helical one-dimensional hinge states. Inducing superconductivity in these states leads to gaple…