Hybridization between surface flat bands and bulk bands in the topological nodal-line semimetal Sn${}_{0.15}$NbSe${}_{1.75}$ probed via soft-point-contact spectroscopy

K. Kumarasinghe, C. Dissanayake, R. Munir +2

We report a detailed study of soft-point-contact spectroscopy of the superconducting topological nodal-line semimetal Sn${}_{0.15}$NbSe${}_{1.75}$ with the superconducting transition t…