ANTIFERROMAGNETIC SPIN FLUCTUATIONS AND SUPERCONDUCTIVITY IN HIGH-TC OXIDES

被引：68
|
作者：
MORIYA, T
TAKAHASHI, Y
UEDA, K
机构：
[1] HIMEJI INST TECHNOL,DEPT MAT SCI,HYOGO 67812,JAPAN
[2] UNIV TSUKUBA,INST MAT SCI,TSUKUBA 305,JAPAN
来源：
PHYSICA C | 1991年 / 185卷
关键词：
D O I：
10.1016/0921-4534(91)91959-8
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
It is shown that anomalous physical properties of high T(c) oxides as observed in the electrical resistivity, infrared conductivity, NMR relaxation rate, etc. above their transition temperatures are well explained in terms of antiferromagnetic spin fluctuations in two dimensional metals described by the self-consistent renormalization (SCR) theory of spin fluctuations. Some of the comparisons between theory and experiment go to a quantitative level including no adjustable parameter. Superconductivity due to the spin fluctuation mechanism is treated by using the weak coupling and the strong coupling theories. The order parameter is shown to be of B1g character and the critical temperature is evaluated to be of the right order of magnitude.
引用
收藏
页码：114 / 119
页数：6
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