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Resonant inelastic X-ray scattering (RIXS) has become an important scientific tool. Nonetheless, conventional high-resolution RIXS measurements (<100 meV), especially in the soft x-ray range, require large and low-throughput grating…

Materials Science · Physics 2020-06-22 Daniel J. Higley , Hirohito Ogasawara , Sioan Zohar , Georgi L. Dakovski

The Cu K-edge resonant inelastic x-ray scattering (RIXS) spectrum in one-dimensional insulating cuprates is theoretically examined by using the exact diagonalization technique for the extended one-dimensional Hubbard model with nearest…

Strongly Correlated Electrons · Physics 2016-08-31 K. Tsutsui , T. Tohyama , S. Maekawa

Using a model Hamiltonian, we discuss how we could interpret data obtained from transition metal $K$-edge resonant inelastic x-ray scattering (RIXS) experiments. By analyzing the creation of valence excitations from the screening of the…

Materials Science · Physics 2008-08-08 K. H. Ahn , A. J. Fedro , Michel van Veenendaal

Although orbital degrees of freedom are a factor of fundamental importance in strongly correlated transition metal compounds, orbital correlations and dynamics remain very difficult to access, in particular by neutron scattering. Via a…

Strongly Correlated Electrons · Physics 2015-03-20 Pasquale Marra , Krzysztof Wohlfeld , Jeroen van den Brink

Resonant X-ray scattering (RXS) has recently become an increasingly important tool for the study of ordering phenomena in correlated electron systems. Yet, the interpretation of the RXS experiments remains theoretically challenging due to…

Characterizing and controlling entanglement in quantum materials is crucial for the development of next-generation quantum technologies. However, defining a quantifiable figure of merit for entanglement in macroscopic solids is…

Strongly Correlated Electrons · Physics 2023-06-27 Jordyn Hales , Utkarsh Bajpai , Tongtong Liu , Denitsa R. Baykusheva , Mingda Li , Matteo Mitrano , Yao Wang

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…

Strongly Correlated Electrons · Physics 2012-12-03 Luuk J. P. Ament , Giniyat Khaliullin , Jeroen van den Brink

Resonant inelastic X-ray scattering (RIXS) is a powerful probe of elementary excitations in solids. It is now widely applied to study magnetic excitations. However, its complex cross-section means that RIXS has been more difficult to…

Strongly Correlated Electrons · Physics 2021-06-30 H. C. Robarts , M. Garcia-Fernandez , J. Li , A. Nag , A. C. Walters , N. E. Headings , S. M. Hayden , Ke-Jin Zhou

We present a novel derivation of resonant inelastic x-ray scattering (RIXS) which yields an expression for the RIXS cross section in terms of emission pathways between intermediate and final many-body states. Thereby electron-hole…

Materials Science · Physics 2020-10-14 Christian Vorwerk , Francesco Sottile , Claudia Draxl

The spectacular physical properties of quantum materials based on transition metal, rare earth, and actinide elements continue to challenge our comprehension of solid state physics and chemistry. The electronic states of these materials are…

Time-resolved measurements of materials provide a wealth of information on quasiparticle dynamics, and have been the focus of optical studies for decades. In this paper, we develop a theory for explicitly evaluating time-resolved resonant…

Strongly Correlated Electrons · Physics 2019-03-27 Yuan Chen , Yao Wang , Chunjing Jia , Brian Moritz , Andrij M. Shvaika , James K. Freericks , Thomas P. Devereaux

Resonant inelastic x-ray scattering (RIXS) has become a powerful tool in the study of the electronic structure of condensed matter. Although the linewidths of many RIXS features are narrow, the experimental broadening can often hamper the…

Strongly Correlated Electrons · Physics 2012-02-13 J. Laverock , A. R. H. Preston , D. Newby , K. E. Smith , S. B. Dugdale

We present a computational study of $L$-edge resonant inelastic x-ray scattering (RIXS) in correlated 3$d$ transition-metal oxides using an $ab$ $initio$ method based on local density approximation + dynamical mean-field theory (DMFT). The…

Strongly Correlated Electrons · Physics 2020-03-25 Atsushi Hariki , Mathias Winder , Takayuki Uozumi , Jan Kuneš

We theoretically analyze the intensity of the resonant inelastic X-ray scattering (RIXS) based on Ansatz that the electron is fractionalized into two components. By fitting the angle resolved photoemission spectroscopy (ARPES) data of a…

Strongly Correlated Electrons · Physics 2021-07-26 Masatoshi Imada

We present a study of resonant inelastic X-ray scattering (RIXS) spectra collected at the rare-earth $L$ edges of divalent hexaborides YbB$_6$ and EuB$_6$. In both systems, RIXS-active features are observed at two distinct resonances…

We study the resonant inelastic x-ray scattering (RIXS) at the $K$ edge of Ge. We measure RIXS spectra with systematically varying momenta in the final state. The spectra are a measure of exciting an electron-hole pair. We find a single…

Materials Science · Physics 2007-05-23 Yunori Nisikawa , Manabu Usuda , Jun-ichi Igarashi , Hironobu Shoji , Toshiaki Iwazumi

We propose a method for realizing true, real-space imaging of charge dynamics in a periodic system, with angstrom spatial resolution and attosecond time resolution. In this method, inelastic x-ray scattering (IXS) is carried out with a…

Strongly Correlated Electrons · Physics 2015-06-05 Yu Gan , Anshul Kogar , Peter Abbamonte

Recent advancements in ultrashort and intense X-ray sources have enabled the utilisation of resonant inelastic X-ray scattering (RIXS) as a probing technique for monitoring photoinduced dynamics in molecular systems. To account for dynamic…

Chemical Physics · Physics 2024-03-19 Antonia Freibert , David Mendive-Tapia , Oriol Vendrell , Nils Huse

A spectrometer for resonant inelastic X-ray scattering (RIXS) is proposed where imaging and dispersion actions in two orthogonal planes are combined to deliver full two-dimensional map of RIXS intensity in one shot with parallel detection…

Instrumentation and Detectors · Physics 2009-09-29 V. N. Strocov

We develop a phenomenological theory to predict the characteristic features of the momentum-dependent scattering amplitude in resonant inelastic x-ray scattering (RIXS) at the energy scale of the superconducting gap in iron-based…

Superconductivity · Physics 2016-05-10 Pasquale Marra , Jeroen van den Brink , Steffen Sykora