Topological nature of FeSe${}_{0.5}$Te${}_{0.5}$ superconductor

Zhijun Wang, P. Zhang, Gang Xu +10

We demonstrate, using first-principles calculations, that the electronic structure of FeSe${}_{1-x}$Te${}_x$ ($x$=0.5) is topologically non-trivial, characterized by an odd $\mathbb…