Nodal and nodeless gap in proximity induced superconductivity: application to monolayer CuO${}_2$ on BSCCO substrate

Yimeng Wang, Zhen-Hua Wang, Wei-Qiang Chen

We present a detailed analysis on the hopping between monolayer CuO${}_2$ and bulk CuO${}_2$ plane in the Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+\delta }$ substrate. With a two-band model, we demonstrate…