Spin-polarized superconductivity: order parameter topology, current dissipation, and multiple-period Josephson effect.

@article{Cornfeld2020SpinpolarizedSO,
  title={Spin-polarized superconductivity: order parameter topology, current dissipation, and multiple-period Josephson effect.},
  author={E. Cornfeld and M. Rudner and E. Berg},
  journal={arXiv: Superconductivity},
  year={2020}
}
We discuss transport properties of fully spin-polarized triplet superconductors, where only electrons of one spin component (along a certain axis) are paired. Due to the structure of the order parameter space, wherein phase and spin rotations are intertwined, a configuration where the superconducting phase winds by $4\pi$ in space is topologically equivalent to a configuration with no phase winding. This opens the possibility of supercurrent relaxation by a smooth deformation of the order… Expand
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