Spectroscopic evidence for topological band structure in FeTe${}_{0.55}$Se${}_{0.45}$

Y. -F. Li, S. -D. Chen, M. Garcia-Diez +12

FeTe${}_{0.55}$Se${}_{0.45}$(FTS) occupies a special spot in modern condensed matter physics at the intersections of electron correlation, topology, and unconventional superconductivit…