Entanglement entropy and entanglement spectrum of Bi${}_{1-x}$Sb${}_x$ (111) bilayers

M. Brzezińska, M. Bieniek, T. Woźniak +2

We investigate topological properties of Bi${}_{1-x}$Sb${}_x$ bilayers in the (111) plane using entanglement measures. Electronic structures are studied using multi-orbital tight-bin…