Probing interfacial pair breaking in tunnel junctions based on the first and the second harmonics of the Josephson current

Details Probing interfacial pair breaking in tunnel junctions based on the first and the second harmonics of the Josephson current Probing interfacial pair breaking in tunnel junctions based on the first and the second harmonics of the Josephson current

2012-04-10

arxiv.org/abs/1204.2105v1

Physics

Condensed Matter

Superconductivity

5 pages

Scientific paper

It will be shown that a pronounced interfacial pair breaking can be identified in Josephson tunnel junctions provided the first j_{1c} and the second j_{2c} harmonics of the supercurrent, as well as the depairing current in the bulk j_{dp}, are known. Namely, within the Ginzburg-Landau theory a strong interfacial pair breaking results in the relation j_{2c}j_{dp}>>j_{1c}^2, while in standard junctions, with negligibly small pair breaking, the relation of opposite character takes place.

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