Renormalizations in unconventional superconducting states of Ce${}_{1-x}$Yb${}_x$CoIn${}_5$

Zhaofeng Ding, Jian Zhang, Cheng Tan +7

We have measured the superconducting penetration depth~$\Lambda (T)$ in the heavy-fermion/intermediate-valent superconducting alloy series~Ce${}_{1-x}$Yb${}_x$CoIn${}_5$ using transverse-field…