Inelastic X-ray scattering from valence electrons near absorption edges of FeTe and TiSe${}_2$

Abstract

We study resonant inelastic x-ray scattering (RIXS) peaks corresponding to low energy particle-hole excited states of metallic FeTe and semi-metallic TiSe${}_2$ for photon incident energy tuned near the $L_3$ absorption edge of Fe and Ti respectively. We show that the cross section amplitudes are well described within a renormalization group theory where the effect of the core electrons is captured by effective dielectric functions expressed in terms of the the atomic scattering parameters $f_1$ of Fe and Ti. This method can be used to extract the dynamical structure factor from experimental RIXS spectra in metallic systems.

arXiv comment6 pages, 4 figures

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Cited by in corpus (3)

• Proposed parameter-free model for interpreting the measured positron annihilation spectra of materials using a generalized gradient approximation
• Explaining the x-ray nonlinear susceptibility of diamond and silicon near absorption edges
• Interplay of broken symmetry and delocalized excitations in the insulating state of 1$T$-TaS${}_2$