Anisotropic spin fluctuations in CeCoIn5

被引：7
|
作者：
Curro, N. J. [1 ]
Pines, D. [2 ]
机构：
[1] Los Alamos Natl Lab, Condensed Matter & Thermal Phys, Los Alamos, NM 87545 USA
[2] Univ Calif Davis, Davis, CA 95616 USA
来源：
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2007年 / 68卷 / 11期
关键词：
superconductors; nuclear magnetic resonance; magnetic properties;
D O I：
10.1016/j.jpcs.2007.08.020
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
CeCoIn5 is an unconventional heavy fermion superconductor with a relatively large transition temperature T-c = 2.3 K. NMR measurements of the spin lattice relaxation rate at the In(1) site reveal a significant anisotropy of the fluctuating hyperfine fields, which reverses below 30 K. These results suggest that two-dimensional fluctuations of the Ce 4f moments are relevant for the superconducting pairing. Published by Elsevier Ltd.
引用
收藏
页码：2028 / 2030
页数：3
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