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Related papers: Resonant Inelastic X-Ray Scattering (RIXS) in SrCu…

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We develop a formalism to calculate the L-edge resonant x-ray scattering (RIXS) spectra from transition-metal compounds. Using a multi-orbital tight-binding model, we derive useful formulas to calculate the spectra by collecting up the…

Strongly Correlated Electrons · Physics 2015-06-16 Jun-ichi Igarashi , Tatsuya Nagao

We present an ab initio study of neutral core and valence electronic excitations in {\alpha}-Al2O3 by solving the Bethe-Salpeter equation (BSE) of many-body perturbation theory within an all-electron framework. Calculated spectra at the Al…

Materials Science · Physics 2024-01-26 M. Laura Urquiza , Matteo Gatti , Francesco Sottile

We study theoretically the resonant inelastic x-ray scattering in quasi-one-dimensional insulating copper oxides, where the incident photon energy is tuned to the Cu1s-4p absorption energy. Our attention is focused particularly on the…

Strongly Correlated Electrons · Physics 2009-11-10 Takuji Nomura , Jun-ichi Igarashi

We report new measurements and calculations of the non-resonant inelastic x-ray scattering (NRIXS) from Mg and Al for a wide range of momentum transfers, q. Extended oscillations in the dynamic structure factor S(q,w) due to scattering from…

Materials Science · Physics 2015-06-25 T. T. Fister , G. T. Seidler , C. Hamner , J. O. Cross , J. A. Soininen , J. J. Rehr

We present a computational study of resonant inelastic x-ray scattering (RIXS) and x-ray absorption in a representative rare-earth nickelate LuNiO$_3$. We study the changes in the spectra across the metal-insulator/site-disproportionation…

Strongly Correlated Electrons · Physics 2020-09-09 Mathias Winder , Atsushi Hariki , Jan Kuneš

Using the tight-binding linear muffin-tin orbitals method, the soft x-ray fluorescence K-emission spectra of boron in MgB_2, excited close to the absorption edge, are estimated. In the calculations the angle of incidence between the…

Superconductivity · Physics 2009-11-10 K. Kokko , V. Kulmala , J. A. Leiro , W. Hergert

We calculate the K-edge indirect bimagnon resonant inelastic X-ray scattering (RIXS) intensity spectra of the bicollinear antiferromagnetic order known to occur in the $\alpha$-FeTe chalcogenide system. Utilizing linear spin wave theory for…

Materials Science · Physics 2017-11-28 Zengye Huang , Sean Mongan , Trinanjan Datta , Dao-Xin Yao

We calculate the inelastic light scattering from X-rays, which allows the photon to transfer both energy and momentum to the strongly correlated charge excitations. We find that the charge transfer peak and the low energy peak both broaden…

Strongly Correlated Electrons · Physics 2009-11-07 T. P. Devereaux , G. E. D. McCormack , J. K. Freericks

Optimization of unconventional superconductivity involves a balance of interaction strengths. Precise determination of correlation strength across different material families is therefore important. Here, we present a combined X-ray…

Measurements of spin excitations are essential for an understanding of spin-mediated pairing for superconductivity; and resonant inelastic X-ray scattering (RIXS) provides a considerable opportunity to probe high-energy spin excitations.…

We show that Resonant Inelastic X-ray scattering (RIXS) is sensitive to three-magnon excitations in cuprates. Even if it requires three electrons to simultaneously flip their spin, the RIXS tri-magnon scattering amplitude is not small. At…

Strongly Correlated Electrons · Physics 2010-02-22 Luuk J. P. Ament , Jeroen van den Brink

A new method is presented for describing vibrational effects in x-ray absorption spectroscopy (XAS) and resonant inelastic x-ray scattering (RIXS) using a combination of the classical Franck-Condon (FC) approximation and classical…

Materials Science · Physics 2017-12-20 Mathias P. Ljungberg

The electronic structure of SrRuO$_3$ thin film with thickness from 50 to 1 unit cell (u.c.) is investigated via the resonant inelastic x-ray scattering (RIXS) technique at the O K-edge to unravel the intriguing interplay of orbital and…

We use Ru $L_3$-edge (2838.5 eV) resonant inelastic x-ray scattering (RIXS) to quantify the electronic structure of Ca$_2$RuO$_4$, a layered $4d$-electron compound that exhibits a correlation-driven metal-insulator transition and…

Strongly Correlated Electrons · Physics 2019-07-24 H. Gretarsson , H. Suzuki , Hoon Kim , K. Ueda , M. Krautloher , B. J. Kim , H. Yavaş , G. Khaliullin , B. Keimer

Inelastic x-ray scattering (IXS) with very high (meV) energy resolution has become a valuable spectroscopic tool, complementing the well established coherent inelastic neutron scattering (INS) technique for phonon dispersion investigations.…

Strongly Correlated Electrons · Physics 2009-11-07 M. d'Astuto , P. K. Mang , P. Giura , A. Shukla , A. Mirone , M. Krisch , F. Sette , P. Ghigna , M. Braden , M. Greven

Interactions between electrons and lattice vibrations are responsible for a wide range of material properties and applications. Recently, there has been considerable interest in the development of resonant inelastic x-ray scattering (RIXS)…

X-ray absorption (XAS) and Resonant Inelastic X-ray Scattering (RIXS) spectra of LaPt$_2$Si$_2$ single crystal at the Si L and La N edges are presented. The data are interpreted in terms of density functional theory, showing that the Si…

Resonant inelastic x-ray scattering (RIXS) provides remarkable opportunities to interrogate ultrafast dynamics in liquids. Here we use RIXS to study the fundamentally and practically important hydroxyl radical in liquid water, OH(aq).…

The low energy excitations in Na2IrO3 have been investigated using resonant inelastic x-ray scattering (RIXS). A magnetic excitation branch can be resolved, whose dispersion reaches a maximum energy of about 35 meV at the \Gamma-point. The…

Strongly Correlated Electrons · Physics 2013-07-08 H. Gretarsson , J. P. Clancy , Yogesh Singh , P. Gegenwart , J. P. Hill , Jungho Kim , M. H. Upton , A. H. Said , D. Casa , T. Gog , Young-June Kim

We present a study on the high-Tc superconductor (HTSC) YBa2Cu3O7-x (YBCO) using polarization-dependent X-ray absorption and resonant inelastic X-ray scattering. High-resolution measurements using synchrotron-radiation are compared with…

Materials Science · Physics 2018-03-21 Martin Magnuson , Thorsten Schmitt , Laurent Duda