Paramagnon dispersion and damping in doped Na${}_x$Ca${}_{2-x}$CuO${}_2$Cl${}_2$

Blair W. Lebert, Benjamin Bacq-Labreuil, Mark P. M. Dean +13

Using Resonant Inelastic X-ray Scattering, we measure the paramagnon dispersion and damping of undoped, antiferromagnetic Ca${}_2$CuO${}_2$Cl${}_2$ as well as doped, superconducting Na$_…