Topology meets time-reversal symmetry breaking in FeSe${}_{1-x}$Te${}_x$ superconductor

M. Roppongi, Y. Cai, K. Ogawa +21

Time-reversal symmetry breaking (TRSB) in magnetic topological insulators induces a Dirac gap in the topological surface state (TSS), leading to exotic phenomena such as the quantu…