Evidence for a superconducting origin of prominent features of the in-plane infrared response of underdoped cuprates and implications of their persistence above $T_{\mathrm{c}}$

Břetislav Šopík, Jiří Chaloupka, Dominik Munzar

We report on results of our analysis of published experimental data of the in-plane infrared response of two representative underdoped high-$T_{\mathrm{c}}$ cuprate superconductors…