Reproduction of Experimental Gap Structure in LiFeAs based on the Orbital-Spin Fluctuation Theory: $s_{++}$-wave, $s_{\pm }$-wave, and hole-$s_{\pm }$-wave states

Tetsuro Saito, Seiichiro Onari, Youichi Yamakawa +3

The absence of nesting between electron and hole-pockets in LiFeAs with $T_c=18$K attracts great attention, as an important hint to understand the pairing mechanism of Fe-based s…