Impact of topology on the impurity effects in extended $s$-wave superconductors with spin-orbit coupling

M. Mashkoori, A. G. Moghaddam, M. H. Hajibabaee +2

We investigate the impact of topology on the existence of impurity subgap states in a time-reversal-invariant superconductor with an extended $s$-wave pairing and strong spin-orbit…