Josephson Current in S-FIF-S Junctions: Nonmonotonic Dependence on Misorientation Angle

Details Josephson Current in S-FIF-S Junctions: Nonmonotonic Dependence on Misorientation Angle Josephson Current in S-FIF-S Junctions: Nonmonotonic Dependence on Misorientation Angle

2002-08-27

arxiv.org/abs/cond-mat/0208527v2

Phys. Rev. B 66, 140503(R) (2002)

Physics

Condensed Matter

Superconductivity

5 pages, 4 figures

Scientific paper

10.1103/PhysRevB.66.140503

Spectra and spin structures of Andreev interface states in S-FIF-S junctions are investigated with emphasis on finite transparency and misorientation angle between in-plane magnetizations of ferromagnetic layers in a three-layer interface. It is demonstrated that the Josephson current in S-FIF-S quantum point contacts can exhibit a nonmonotonic dependence on the misorientation angle. The characteristic behavior takes place, if the pi-state is the equilibrium state of the junction in the particular case of parallel magnetizations.

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