Coexistence of the Pseudogap and the Superconducting Gap Revealed by the \textit{c}-axis Optical Study of YBa${}_2$(Cu${}_{1-x}$Zn${}_x$)${}_3$O${}_{7-\delta }$

Ece Uykur, Kiyohisa Tanaka, Takahiko Masui +2

To address the issue of the pseudogap in the superconducting state of the high temperature superconducting cuprates, we studied the temperature dependent redistribution of the spec…