Wray, L.
, Denlinger, J.
, Huang, S.
, He, H.
, Butch, N.
, Maple, M.
, Hussain, Z.
and Chuang, Y.
(2015),
Spectroscopic Determination of the Atomic f-Electron Symmetry Underlying Hidden Order in URu<sub>2</sub>Si<sub>2</sub>, Physical Review Letters, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=916415
(Accessed October 21, 2025)
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Spectroscopic Determination of the Atomic f-Electron Symmetry Underlying Hidden Order in URu2Si2
Published
Author(s)
L. Andrew Wray, Jonathan Denlinger, Shih-Wen Huang, Haowei He, , M. Brian Maple, Zahid Hussain, Yi-De Chuang
Abstract
The hidden order state of URu6d2^Si2 has been a subject of intense speculation for more than 25 years, but there is still no clear consensus on what degrees of freedom are important for a low temperature physical model. Here, X-ray absorption spectroscopy and resonant inelastic X-ray scattering at the uranium O-edge are used to resolve features representing the energetics and correlated wavefunction symmetry of electrons on uranium. The resonance profiles of both techniques show that uranium f-electrons predominantly project on the 5f2 J=4 symmetry basis. Minimal dichroic contrast is observed, revealing a surprisingly isotropic f-electron wavefunction relative to prevalent theoretical models.Citation
Physical Review Letters
Volume
114
Issue
23
Pub Type
Journals
Download Paper
Keywords
RIXS, XAS, strongly correlated electrons
Citation
Issues
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Created June 8, 2015, Updated October 12, 2021