Bulk Evidence for s-Wave Pairing Symmetry in the n-Type Infinite-Layer Cuprate $S{r}_{0.9}L{a}_{0.1}Cu{O}_2$

Z. Y. Liu, H. H. Wen, L. Shan +6

Low temperature specific heat of the electron-doped (n-type) infinite-layer cuprate $S{r}_{0.9}L{a}_{0.1}Cu{O}_2$ has been measured. The quasiparticle density of states (DOS) in the mi…