The theory of Fiske steps in Josephson tunnel junctions is extended to include the presence of structural fluctuations in the barrier. The possibility of excitation of zero-field steps in this case, is discussed. Experimental evidence for the occurrence of zero-field resonances, due to both regular and randomly distributed nonuniformities in "small" Josephson junctions, is reported.
Zero-field "Fiske" steps in small Josephson junctions
Camerlingo C;
1982
Abstract
The theory of Fiske steps in Josephson tunnel junctions is extended to include the presence of structural fluctuations in the barrier. The possibility of excitation of zero-field steps in this case, is discussed. Experimental evidence for the occurrence of zero-field resonances, due to both regular and randomly distributed nonuniformities in "small" Josephson junctions, is reported.File in questo prodotto:
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