MODULATED RADIOFREQUENCY AND MICROWAVE-ABSORPTION IN SUPERCONDUCTORS WITH INTRINSIC WEAK LINKS

被引:4
作者
DEMIDOV, VV
NOGINOVA, NE
机构
[1] Institute of Radio Engeneering and Electronics, Russian Academy of Sciences, 103907 Moscow
关键词
D O I
10.1016/0038-1098(92)90225-X
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The calculation is presented of modulated absorption (MA) for superconductors with intrinsic weak links in the weak-connected loop model. The origin of MA is found to be dependent on the frequency band. In the RF case (0.1-10 MHz) it is due to interruption of the weak links while crossed by flux quanta; whereas-in the MW band (10 GHz) MA is caused by non-linear interaction with Josephson supercurrent. The calculations are in good agreement with experimental MA curves obtained for YBaCuO samples in both frequency bands.
引用
收藏
页码:527 / 529
页数:3
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