Probing interfacial pair breaking in tunnel junctions based on the first and the second harmonics of the Josephson current
It will be shown that a pronounced interfacial pair breaking can be identified in Josephson tunnel junctions provided the first j sub(1)c and the second j sub(2)c harmonics of the supercurrent, as well as the depairing current in the bulk j sub(dp), are known. Namely, within the Ginzburg-Landau theo...
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| Veröffentlicht in: | Physical review. B, Condensed matter and materials physics Condensed matter and materials physics, 2012-05, Vol.85 (17), Article 174529 |
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| Format: | Artikel |
| Sprache: | eng |
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| Online-Zugang: | Volltext |
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| Zusammenfassung: | It will be shown that a pronounced interfacial pair breaking can be identified in Josephson tunnel junctions provided the first j sub(1)c and the second j sub(2)c harmonics of the supercurrent, as well as the depairing current in the bulk j sub(dp), are known. Namely, within the Ginzburg-Landau theory a strong interfacial pair breaking results in the relation (ProQuest: Formulae and/or non-USASCII text omitted), while in standard junctions, with negligibly small pair breaking, the relation of opposite character takes place. |
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| ISSN: | 1098-0121 1550-235X |
| DOI: | 10.1103/PhysRevB.85.174529 |