μSR studies on heavy fermion superconductors CeIrIn5 and CeCoIn5

被引：37

作者：

Higemoto, W ^{[1
]}

Koda, A

Kadono, R

Kawasaki, Y

Haga, Y

Aoki, D

Settai, R

Shishido, H

Onuki, Y

机构：

[1] High Energy Accelerator Res Org, Meson Sci Lab, Inst Mat Struct Sci, Tsukuba, Ibaraki 3050801, Japan

[2] Osaka Univ, Grad Sch Engn Sci, Toyonaka, Osaka 5608531, Japan

[3] Japan Atom Energy Res Inst, Adv Sci Res Ctr, Tokai, Ibaraki 3191195, Japan

[4] Osaka Univ, Grad Sch Sci, Toyonaka, Osaka 5608581, Japan

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2002年 / 71卷 / 04期

关键词：

CeIrIn5; CeCoIn5; heavy fermion superconductor; mu SR;

D O I：

10.1143/JPSJ.71.1023

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report that the muon spin relaxation rate under zero-external field in the heavy-fermion compound CeTrIn5 (Tr=Ir. Co) is independent of temperature down to 20 mK, demonstrating the absence of magnetism due to long-range magnetic order and/or to the breakdown of time-reversal symmetry in the superconducting state. The magnetic penetration depth deduced by the muon spin relaxation rate under a transverse field is lambda similar to 6700 Angstrom for CeIrIn5 at 402 G and similar to5500 Angstrom for CeCoIn5 at 3 kG.

引用

页码：1023 / 1026

页数：4

共 25 条

[1] FLUX DISTRIBUTION AND PENETRATION DEPTH MEASURED BY MUON SPIN ROTATION IN HIGH-TC SUPERCONDUCTORS [J].