Interplay between ferromagnetism and superconductivity in tunneling currents
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We study tunneling currents in a model consisting of two non-unitary ferromagnetic spin-triplet superconductors separated by a thin insulating layer. We find a novel interplay between ferromagnetism and superconductivity, manifested in the Josephson effect. This offers the possibility of tuning dissipationless currents of charge and spin in a well-defined manner by adjusting the magnetization direction on either side of the junction.
4 pages, 1 figure. References updated. Paper shortened
4 pages, 1 figure. References updated. Paper shortened