Superconductivity near the saddle point in the two-dimensional Rashba system Si(111)-$\sqrt{3}\times \sqrt{3}$-(Tl,Pb)

T. Machida, Y. Yoshimura, T. Nakamura +7

Two-dimensional Rashba superconductor Si(111)-$\sqrt{3}\times \sqrt{3}$-(Tl,Pb) is a candidate platform of mixed spin-singlet and -triplet superconductivity. A recent scanning tunne…