Theory of Spin-Excitation Anisotropy in the Nematic Phase of FeSe Obtained From RIXS Measurements
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Recent resonant inelastic x-ray scattering (RIXS) experiments have detected a significant high-energy spin-excitation anisotropy in the nematic phase of the enigmatic iron-based superconductor FeSe, whose origin remains controversial. We apply an itinerant model previously used to describe the spin-excitation anisotropy as measured by neutron scattering measurements, with magnetic fluctuations included within the RPA approximation. The calculated RIXS cross section exhibits overall agreement with the RIXS data, including the high energy spin-excitation anisotropy.
Originalsprog | Engelsk |
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Artikelnummer | 859424 |
Tidsskrift | Frontiers in Physics |
Vol/bind | 10 |
Antal sider | 9 |
ISSN | 2296-424X |
DOI | |
Status | Udgivet - 2022 |
Bibliografisk note
Funding Information:
BA acknowledges support from the Independent Research Fund Denmark grant number 8021-00047B. PH was supported by the U.S. Department of Energy under Grant No. DE-FG02-05ER4623.
Publisher Copyright:
Copyright © 2022 Kreisel, Hirschfeld and Andersen.
ID: 343215395