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EnglishWe have investigated the static and dynamic properties of long YBa2Cu3O7 0- Josephson junctions and compared them with those of conventional 0 junctions. Scanning SQUID microscope imaging has revealed the presence of a semifluxon at the phase discontinuity point in 0- Josephson junctions. Zero field steps have been detected in the current-voltage characteristics of all junctions. Comparison with simulation allows us to attribute these steps to fluxons traveling in the junction for conventional 0 junctions and to fluxon-semifluxon interactions in the case of 0- Josephson junctions.
| Titolo: | Interplay between Static and Dynamic Properties of Semifluxons in YBa2Cu3O7 0-pi Josephson Junctions | |
| Autori: | ||
| Data di pubblicazione: | 2010 | |
| Rivista: | ||
| Abstract: | We have investigated the static and dynamic properties of long YBa2Cu3O7 0- Josephson junctions and compared them with those of conventional 0 junctions. Scanning SQUID microscope imaging has revealed the presence of a semifluxon at the phase discontinuity point in 0- Josephson junctions. Zero field steps have been detected in the current-voltage characteristics of all junctions. Comparison with simulation allows us to attribute these steps to fluxons traveling in the junction for conventional 0 junctions and to fluxon-semifluxon interactions in the case of 0- Josephson junctions. | |
| Handle: | http://hdl.handle.net/11591/184783 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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