Comparison of band structure and superconductivity in FeSe<sub>0.5</sub>Te<sub>0.5</sub> and FeS

Comparison of band structure and superconductivity in FeSe_0.5Te_0.5 and FeS

Yang Yang¹, Feng Shi-Quan¹, Xiang Yuan-Yuan², Lu Hong-Yan³, Wang Wan-Sheng^{4, †}

(color online) (a) FRG flow of versus Λ for U = 1.7 eV and for FeS. The arrows indicate snapshots of the leading momentum (divided by π) in the SDW channel. The inset shows in the momentum space at the final energy scale. (b) The gap function on the k points of Fermi surfaces for FeS.