| Issue |
EPL
Volume 117, Number 1, January 2017
|
|
|---|---|---|
| Article Number | 17003 | |
| Number of page(s) | 5 | |
| Section | Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties | |
| DOI | https://doi.org/10.1209/0295-5075/117/17003 | |
| Published online | 22 February 2017 | |
The quartet ground state in CeB6: An inelastic x-ray scattering study
1 Institute of Physics II, University of Cologne - Zülpicher Straße 77, 50937 Cologne, Germany
2 Max-Planck-Institute for Chemical Physics of Solids - Nöthnizer Straße 40, 01187 Dresden, Germany
3 PETRA III, Deutsches Elektronen-Synchrotron (DESY) - Notkestraße 85, 22607 Hamburg, Germany
4 Center for Correlated Matter, Zhejiang University - Hangzhou 310058, PRC
5 Department of Physics and Astronomy, University of California - Irvine, CA 92697, USA
6 Institute for Theoretical Physics, Heidelberg University - Philosophenweg 19, 69120 Heidelberg, Germany
Received: 9 November 2016
Accepted: 2 February 2017
We investigated the ground-state symmetry of the cubic hidden order compound CeB6 by means of core level non-resonant inelastic x-ray scattering (NIXS). The information is obtained from the directional dependence of the scattering function that arises from higher than dipole transitions. Our new method confirms that the ground state is well described using a localized crystal-field model assuming a Γ8 quartet ground state.
PACS: 71.27.+a – Strongly correlated electron systems; heavy fermions / 78.70.Dm – X-ray absorption spectra / 71.70.Ch – Crystal and ligand fields
© EPLA, 2017
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