Magnitude of the magnetic exchange interaction in the heavy-fermion antiferromagnet CeRhIn5
Journal Article
·
· Physical Review Letters
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Univ. of California, San Diego, La Jolla, CA (United States)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
We have used high-resolution neutron spectroscopy experiments to determine the complete spin wave spectrum of the heavy fermion antiferromagnet CeRhIn5. The spin wave dispersion can be quantitatively reproduced with a simple J1-J2 model that also naturally explains the magnetic spin-spiral ground state of CeRhIn5 and yields a dominant in-plane nearest-neighbor magnetic exchange constant J0 = 0.74 meV. Our results pave the way to a quantitative understanding of the rich low-temperature phase diagram of the prominent CeTIn5 (T = Co, Rh, Ir) class of heavy fermion materials.
- Research Organization:
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Spallation Neutron Source (SNS)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Grant/Contract Number:
- AC52-06NA25396; AC05-00OR22725
- OSTI ID:
- 1193389
- Alternate ID(s):
- OSTI ID: 1181392; OSTI ID: 1286747
- Report Number(s):
- LA-UR-14-28432; PRLTAO
- Journal Information:
- Physical Review Letters, Vol. 113, Issue 24; ISSN 0031-9007
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 25 works
Citation information provided by
Web of Science
Web of Science
Electronic in-plane symmetry breaking at field-tuned quantum criticality in CeRhIn5
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journal | August 2017 |
Robust upward dispersion of the neutron spin resonance in the heavy fermion superconductor Ce1−xYbxCoIn5
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journal | September 2016 |
Tunable emergent heterostructures in a prototypical correlated metal
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journal | March 2018 |
Antiferromagnetic order and spin dynamics in iron-based superconductors | text | January 2015 |
Robust Upward Dispersion of the Neutron Spin Resonance in the Heavy Fermion Superconductor Ce$_{1-x}$Yb$_{x}$CoIn$_5$ | text | January 2016 |
Electronic in-plane symmetry breaking at field-tuned quantum criticality in CeRhIn5 | text | January 2017 |
Tunable Emergent Heterostructures in a Prototypical Correlated Metal | text | January 2017 |
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