Microwave surface impedance of YBa2Cu3O6.99:: Comparison of theory and experiment

被引：11

作者：

Fink, HJ ^{[1
]}

机构：

[1] Univ Calif Davis, Dept Elect & Comp Engn, Davis, CA 95616 USA

来源：

PHYSICAL REVIEW B | 2000年 / 61卷 / 09期

关键词：

D O I：

10.1103/PhysRevB.61.6346

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Surface resistance experiments by the Vancouver group on very high quality single crystals of YBa2Cu3O6.99 are compared with a model proposed by Trunin et al. and the author. The resistance measurements are from 1.14 to 75.3 GHz, and good numerical agreement is found over that frequency interval for all temperatures. From these measurements the real part of the microwave conductivity sigma'(T) was extracted, and from it a Drude-like conductivity spectrum was obtained below 25 K, all in agreement with the model. From the conductivity spectrum the scattering rate of the thermally excited quasiparticles was found to increase with temperature (T), in agreement with a Gruneisen T dependent intrinsic resistivity at low temperatures.

引用

页码：6346 / 6351

页数：6

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