Novel Josephson Effect in Triplet-Superconductor–Ferromagnet–Triplet-Superconductor Junctions
Boris Kastening, Dirk K. Morr, Dirk Manske, Karl Bennemann
DOI 10.1103/PhysRevLett.96.047009 · Physical Review Letters
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Abstract
We predict a novel type of Josephson effect to occur in triplet-superconductor–ferromagnet–triplet-superconductor Josephson junctions. We show that the Josephson current, IJ, 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 sign change of IJ with increasing temperature.
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