Vortex states in hole-doped iron-pnictide superconductors

Yi Gao, Huai-Xiang Huang, Chun Chen +2

Based on a phenomenological model with competing spin-density-wave (SDW) and extended $s-$wave superconductivity, the vortex states in Ba${}_{1-x}$K${}_x$Fe${}_2$As${}_2$ are investi…