Anisotropic three-dimensional magnetic fluctuations in heavy fermion CeRhIn5 -: art. no. 100505

被引：59

作者：

Bao, W

Aeppli, G

Lynn, JW

Pagliuso, PG

Sarrao, JL

Hundley, MF

Thompson, JD

Fisk, Z

机构：

[1] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

[2] NEC Res Inst, Princeton, NJ 08540 USA

[3] Natl Inst Stand & Technol, Ctr Neutron Res, Gaithersburg, MD 20899 USA

[4] Florida State Univ, Tallahassee, FL 32306 USA

来源：

PHYSICAL REVIEW B | 2002年 / 65卷 / 10期

关键词：

D O I：

10.1103/PhysRevB.65.100505

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

CeRhIn5 is a heavy fermion antiferromagnet that orders at 3.8 K. The observation of pressure-induced superconductivity in CeRhIn5 at a very high T-C of 2.1 K for heavy fermion materials has led to speculations regarding its magnetic fluctuation spectrum. Using magnetic neutron scattering, we report anisotropic three-dimensional antiferromagnetic fluctuations with an energy scale of less than 1.7 meV for temperatures as high as 3T(C). In addition, the effect of the magnetic fluctuations on electrical resistivity is well described by the Born approximation.

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