Speaker
Thomas P Devereaux
(Stanford University)
Description
In this talk I will present an efficient scheme for calculating various x-ray spectroscopies using a combination of cluster exact diagonalization and ab-initio codes. These multi-orbital calculations include multiplet, charge-transfer, hybridization, and core-hole interactions all on the same footing, and are able to reproduce fairly well representative spectra on several transition metal oxide materials. Focus will be placed on x-ray absorption, resonant inelastic light scattering (RIXS), and the dielectric response S(q,w) of Fe- and Cu-based materials. As an example, the differences between RIXS and S(q,w) will be highlighted, with a specific focus on low energy magnon excitations.
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RIXS
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Talk
Primary author
Thomas P Devereaux
(Stanford University)
