The chiral superconductor-ferromagnet-chiral superconductor Josephson junction

Details The chiral superconductor-ferromagnet-chiral superconductor Josephson junction The chiral superconductor-ferromagnet-chiral superconductor Josephson junction

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009njph...11e5055b&link_type=abstract

New Journal of Physics, Volume 11, Issue 5, pp. 055055 (2009).

Physics

7

Scientific paper

We study a Josephson junction between two chiral p-wave superconductors separated by a magnetically active tunneling barrier. We find that the interaction of the barrier magnetic moment with the spin of the tunneling triplet Cooper pairs is responsible for a number of unconventional Josephson effects. For example, we show that the critical current depends on the orientation of the moment, and that a finite spin current is possible in the ground state of the junction. In the case where the two superconductors have opposite chirality, we have also calculated the chiral Andreev bound state spectrum and the associated interface currents at the barrier, which have similar dependence on the magnetic moment to the Josephson currents.

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