Magnetic Correlations and the Anisotropic Kondo Effect in Ce1-xLaxAl3

Details Magnetic Correlations and the Anisotropic Kondo Effect in Ce1-xLaxAl3 Magnetic Correlations and the Anisotropic Kondo Effect in Ce1-xLaxAl3

2001-11-30

arxiv.org/abs/cond-mat/0112005v1

Phys. Rev. Lett. 89, 147201 (2002)

Physics

Condensed Matter

Strongly Correlated Electrons

RevTeX4 4 pages + 3 figures

Scientific paper

10.1103/PhysRevLett.89.147201

By combining the results of muon spin rotation 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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