Resonant Inelastic X-ray Scattering on Spin-Orbit Coupled Insulating Iridates

Details Resonant Inelastic X-ray Scattering on Spin-Orbit Coupled Insulating Iridates Resonant Inelastic X-ray Scattering on Spin-Orbit Coupled Insulating Iridates

2010-08-28

arxiv.org/abs/1008.4862v1

Phys. Rev. B 84, 020403 (2011)

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 3 figures

Scientific paper

We determine how the elementary excitations of iridium-oxide materials, which are dominated by a strong relativistic spin-orbit coupling, appear in Resonant Inelastic X-ray Scattering (RIXS). Whereas the RIXS spectral weight at the L2 x-ray edge vanishes, we find it to be strong at the L3-edge. Applying this to Sr2IrO4, we observe that RIXS, besides being sensitive to local doublet to quartet transitions, meticulously maps out the strongly dispersive delocalized excitations of the low-lying spin-orbit doublets.

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