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Energy absorption by Josephson barriers in superconducting films

Authors
Journal
Physica C Superconductivity
0921-4534
Publisher
Elsevier
Publication Date
Volume
231
Identifiers
DOI: 10.1016/0921-4534(94)90158-9
Disciplines
  • Physics

Abstract

Abstract Experimental results on the optical conductivity of thin films of high- T c superconductors show additional absorption at low FIR frequencies. We show by explicit calculations that this absorption can be explained by a model of random Josephson barriers. In this model the absorption is caused by the strong fields inside the barriers set up by the accumulated charges at the junction boundaries.

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