Prediction of High-Temperature Half Quantum Anomalous Hall Effect in a Semi-magnetic Topological Insulator of MnBi${}_2$Te${}_4$/Sb${}_2$Te${}_3$

M. U. Muzaffar, Kai-Zhi Bai, Wei Qin +6

The classic Thouless-Kohmoto-Nightingale-Nijs theorem dictates that a single electron band of a lattice can only harbor an integer quantum Hall conductance as a multiple of e^2/2h,…