Non-local Coulomb correlations in pure and electron-doped ${\mathrm{Sr}}_2{\mathrm{IrO}}_4$: spectral functions, Fermi surface and pseudogap-like spectral weight distributions from oriented cluster dynamical mean field theory

Cyril Martins, Benjamin Lenz, Luca Perfetti +3

We address the role of non-local Coulomb correlations and short-range magnetic fluctuations in the high-temperature phase of Sr${}_2$IrO${}_4$ within state-of-the-art spectroscopic and…