DISORDER EFFECTS AND MAGNETIC FLUCTUATIONS IN HIGH-TC SUPERCONDUCTORS

被引：6
|
作者：
CRISAN, M
机构：
[1] Condensed Matter Theory Group, Department of Physics, Uppsala University, S-751 21 Uppsala
来源：
PHYSICA C | 1990年 / 171卷 / 5-6期
关键词：
D O I：
10.1016/0921-4534(90)90263-E
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The effect of the disorder given by nonmagnetic impurities, in particular of incipient localization, and of the two-dimensional magnetic fluctuations has been considered in the calculation of Tc for a high-Tc superconductor. The disorder can decrease, partially, the destructive effect of magnetic fluctuations but the resultant effect is a decreasing of Tc. The Coulomb interaction is also enhanced, but the retardation effects can be neglected. The proposed mechanism, different from the pair-breaking, gives a result in agreement with the Renormalization Group theory predictions and with experimental results. © 1990.
引用
收藏
页码：498 / 504
页数：7
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