Nonlocality and strong coupling in the heavy fermion superconductor CeCoIn5:: A penetration depth study -: art. no. 014527
Nonlocality and strong coupling in the heavy fermion superconductor CeCoIn5:: A penetration depth study -: art. no. 014527
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DOI：
10.1103/physrevb.67.014527
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发表时间：
2003-01-01
影响因子：
3.7
通讯作者：
Sarrao, JL
中科院分区：
文献类型：
--
作者：
Chia, EEM;Van Harlingen, DJ;Sarrao, JL
我们报告了使用基于隧道二极管的自感技术在28 MHz下测量CeCoIn5单晶中的磁穿透深度lambda，其深度降至类似于0.14 K。虽然面内穿透深度倾向于遵循幂律，lambda（//）类似于T(3/2)，但数据更适合描述为线性（T>T*）和二次(T)之间的交叉
We report measurements of the magnetic penetration depth lambda in single crystals of CeCoIn5 down to similar to0.14 K using a tunnel-diode-based, self-inductive technique at 28 MHz. While the in-plane penetration depth tends to follow a power law, lambda(//)similar toT(3/2), the data are better described as a crossover between linear (T>T*) and quadratic (T