COHERENCE PEAKS OF NMR AND DYNAMIC CONDUCTIVITY IN ANISOTROPIC SUPERCONDUCTORS

被引：8
作者：
OHKAWA, FJ
机构：
[1] Department of Physics, Hokkaido University
来源：
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1992年 / 61卷 / 04期
关键词：
D O I：
10.1143/JPSJ.61.1157
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In anisotropic superconductors, the coherence peaks appear differently in the nuclear magnetic relaxation rate, 1/T1, and the homogeneous dynamic conductivity, sigma(omega). The peak appears in sigma(omega). However, 1/T1 shows no peak but rapid reduction just below critical temperature, if it is mainly due to antiferromagnetic spin fluctuations. The feature is consistent with recent measurements of YBa2Cu3O7.
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页码：1157 / 1160
页数：4
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