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

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, 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

arXiv comment4 pages, 7 figures

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• Identification of Spin-Triplet Superconductivity through a Helical-Chiral Phase Transition in Sr${}_2$RuO${}_4$ Thin-Films
• Anomalous Josephson Hall effect in magnet/triplet superconductor junctions
• Transport Properties in Ferromagnetic Josephson Junction between Triplet Superconductors
• Probing the magnetoelectric effect in noncentrosymmetric superconductors by equal-spin Andreev tunneling
• Magnetic Nanostructures
• Charge pumping due to triplet vector chirality in ferromagnet/triplet superconductor junctions
• Generation and control of noncollinear magnetism by supercurrent
• Josephson effects in the spin-triplet superconductor/altermagnet/spin-triplet superconductor junctions: the detection of the intrinsic $\mathbf{d}$-vector