Scattering rate of quasiparticles both in the normal and superconducting mixed states in CeCoIn5 studied by the dHvA effect

被引：3
|
作者：
Settai, R [1 ]
Shishido, H
Ikeda, S
Nakashima, M
Aoki, D
Haga, Y
Harima, H
Onuki, Y
机构：
[1] Osaka Univ, Grad Sch Sci, Toyonaka, Osaka 5600043, Japan
[2] Japan Atom Energy Res Inst, Adv Sci Res Ctr, Tokai, Ibaraki 3191195, Japan
[3] Osaka Univ, Inst Sci & Ind Res, Osaka 5670047, Japan
来源：
PHYSICA B-CONDENSED MATTER | 2002年 / 312卷
关键词：
dHvA effect; heavy fermion; superconductivity; CeCoIn5;
D O I：
10.1016/S0921-4526(01)01167-X
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We observed the de Haas-van Alphen (dHvA) oscillation both in the normal and superconducting mixed states in a heavy fermion superconductor CeCoIn5. The dHvA oscillation due to a main Fermi surface is observed in the mixed state just below the upper critical field H-c2, indicating a large scattering rate of quasi-particles. We determined the Dingle temperatures both in the normal and the mixed states. (C) 2002 Elsevier Science B.V. All rights reserved.
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收藏
页码：123 / 125
页数：3
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