Local manifestations of thickness dependent topology and axion edge state in topological magnet MnBi${}_2$Te${}_4$

Felix Lüpke, Anh D. Pham, Yi-Fan Zhao +9

The interplay of non-trivial band topology and magnetism gives rise to a series of exotic quantum phenomena, such as the emergent quantum anomalous Hall (QAH) effect and topologica…