Superconducting Gap, Pseudogap and Their Relationship Investigated by Break-junction Tunneling Spectroscopy on $B{i}_{2}S{r}_{2}CaC{u}_2{O}_{8+\delta }$ Single Crystals

Y. Xuan, H. J. Tao, Z. Z. Li +4

Temperature and doping dependent tunneling spectroscopy on $B{i}_{2}S{r}_{2}CaC{u}_2{O}_{8+\delta }$ single crystals has been investigated by using break-junction technique. The results provide dire…