Multi-band $s_{++}$ superconductivity in ${\text{V}}_3\text{Si}$ determined from the response to a controlled disorder

Kyuil Cho, M. Kończykowski, S. Ghimire +4

The London penetration depth, $\lambda (T)$, was measured in a single crystal V${}_3$Si. The superfluid density obtained from this measurement shows a distinct signature of two almost dec…