Novel Josephson Effect in Triplet Superconductor - Ferromagnet - Triplet Superconductor Junctions

Details Novel Josephson Effect in Triplet Superconductor - Ferromagnet - Triplet Superconductor Junctions Novel Josephson Effect in Triplet Superconductor - Ferromagnet - Triplet Superconductor Junctions

2005-01-25

arxiv.org/abs/cond-mat/0501614v1

Phys. Rev. Lett. 96, 047009 (2006)

Physics

Condensed Matter

Superconductivity

4 pages, 7 figures

Scientific paper

10.1103/PhysRevLett.96.047009

We predict a novel type of Josephson effect to occur in triplet superconductor - ferromagnet - triplet superconductor Josephson junctions. We show that the Josephson current, I_J, exhibits a rich dependence on the relative orientation between the ferromagnetic moment and the d-vectors of the superconductors. This dependence can be used to build several types of Josephson current switches. Moreover, we predict an unconventional temperature dependence of I_J in which I_J changes sign with increasing temperature

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