TRANSPORT-PROPERTIES OF D-WAVE SUPERCONDUCTORS WITH IMPURITIES

被引：100
|
作者：
SUN, Y
MAKI, K
机构：
来源：
EUROPHYSICS LETTERS | 1995年 / 32卷 / 04期
关键词：
D O I：
10.1209/0295-5075/32/4/012
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We extend our earlier analysis to the electronic thermal conductivity kappa and the frequency-dependent electric conductivity sigma(omega) at low temperatures where quasi-particle scattering is dominated by impurities. Both kappa and sigma(1)(0) at low temperatures increase with impurity concentration, implying that the pair breaking dominates the quasi-particle scattering. Further, sigma(1)(omega) at T = OK is found to have a surprising non-Drudian sharp peak at omega = 0. The inclusion of this sharp structure appears to be indispensable for a proper analysis of the surface-impedance data of Zn-doped high-T-c cuprates.
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页码：355 / 359
页数：5
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