Microwave Properties of Granular Superconductors
- 10 December 1968
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 176 (2) , 500-502
- https://doi.org/10.1103/physrev.176.500
Abstract
The microwave properties of a superconductor composed of small grains separated by tunneling barriers is calculated. In the absence of dc current, the ac conductivity is identical to that of a dirty superconductor. In the case of a nonvanishing current, the change in the conductivity due to the discontinuity in the phase of the energy-gap function across the tunneling barriers is smaller than that due to ordinary pair breaking.Keywords
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