Charge response function probed by resonant inelastic x-ray scattering: the signature of electronic gaps of YBa${}_2$Cu${}_3$O${}_{7-\delta }$

Giacomo Merzoni, Leonardo Martinelli, Lucio Braicovich +6

In strongly correlated systems the complete determination of the dynamical susceptibility $\chi (\text{q},\omega )$ is of special relevance because of the entwinement of the spin and char…