English

Generation of polarized spin-triplet Cooper pairings by magnetic barriers in superconducting junctions

Superconductivity 2024-05-21 v2 Mesoscale and Nanoscale Physics

Abstract

We investigate the proximity effect in an s-wave superconductor/ferromagnetic metal with a Rashba spin-orbit coupling/diffusive normal metal junction and an s-wave superconductor/noncollinear magnetic metal/diffusive normal metal junction. We show the generation of equal spin-triplet pairings in the diffusive normal metal due to spin-flip scattering in the intermediate magnetic regions. The emergence of the spin-triplet odd-frequency Cooper pairings can generate a zero-energy peak in the quasiparticle density of states in the diffusive normal metal.

Keywords

Cite

@article{arxiv.2207.05400,
  title  = {Generation of polarized spin-triplet Cooper pairings by magnetic barriers in superconducting junctions},
  author = {Shun Tamura and Yukio Tanaka and Takehito Yokoyama},
  journal= {arXiv preprint arXiv:2207.05400},
  year   = {2024}
}

Comments

15 pages, 26 figures