Magnetic correlations and the Anisotropic Kondo Effect in Ce1-xLaxAl3
Magnetic correlations and the Anisotropic Kondo Effect in Ce1-xLaxAl3
By combining the results of muon spin relaxation and inelastic neutron scattering in the heavy fermion compounds Ce1-xLaxAl3 (0.0 <=x <=0.2), we show that static magnetic correlations are suppressed above a characteristic temperature, T*, by electronic dissipation rather than by thermal disorder. Below T* an energy gap opens in the single-ion magnetic response in agreement with the predictions of the anisotropic Kondo model. Scaling arguments suggest that similar behavior may underlie the ‘‘hidden order’’ in URu2Si2.
PACS: 75.40.Cx, 71.27.+a, 76.75.+i, 78.70.Nx
147201-[4pp]
Goremychkin, E.A.
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Osborn, R.
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Rainford, B.D.
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Costi, T.A.
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Murani, A.P.
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Scott, C.A.
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King, P.J.C.
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2002
Goremychkin, E.A.
37f2b8ac-14dc-4957-9864-b490d9853451
Osborn, R.
12b613a4-baca-43c0-835f-9dc31a5e6a90
Rainford, B.D.
a57f1153-bbba-49a3-bffc-0d96087156a0
Costi, T.A.
690d8be4-4001-49af-a6ef-10f78a93451a
Murani, A.P.
1ecc684b-8aec-4c36-93cf-7a584ede1c0a
Scott, C.A.
b319e8e2-765e-4cec-be80-705cfac5d0d3
King, P.J.C.
76af00a1-b8a5-47ec-ad88-4676009a68ba
Goremychkin, E.A., Osborn, R., Rainford, B.D., Costi, T.A., Murani, A.P., Scott, C.A. and King, P.J.C.
(2002)
Magnetic correlations and the Anisotropic Kondo Effect in Ce1-xLaxAl3.
Physical Review Letters, 89 (14), .
(doi:10.1103/PhysRevLett.89.147201).
Abstract
By combining the results of muon spin relaxation and inelastic neutron scattering in the heavy fermion compounds Ce1-xLaxAl3 (0.0 <=x <=0.2), we show that static magnetic correlations are suppressed above a characteristic temperature, T*, by electronic dissipation rather than by thermal disorder. Below T* an energy gap opens in the single-ion magnetic response in agreement with the predictions of the anisotropic Kondo model. Scaling arguments suggest that similar behavior may underlie the ‘‘hidden order’’ in URu2Si2.
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Published date: 2002
Keywords:
PACS: 75.40.Cx, 71.27.+a, 76.75.+i, 78.70.Nx
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Local EPrints ID: 14677
URI: http://eprints.soton.ac.uk/id/eprint/14677
ISSN: 0031-9007
PURE UUID: d022fdd1-8480-46ac-be41-7cb562bc5eed
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Date deposited: 17 Feb 2005
Last modified: 15 Mar 2024 05:29
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Author:
E.A. Goremychkin
Author:
R. Osborn
Author:
B.D. Rainford
Author:
T.A. Costi
Author:
A.P. Murani
Author:
C.A. Scott
Author:
P.J.C. King
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