Generation of polarized spin-triplet Cooper pairings by magnetic barriers in superconducting junctions
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arXiv
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| Autori principali: | , , |
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| Natura: | Preprint |
| Pubblicazione: |
2022
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| _version_ | 1866929347228598272 |
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| author | Tamura, Shun Tanaka, Yukio Yokoyama, Takehito |
| author_facet | Tamura, Shun Tanaka, Yukio Yokoyama, Takehito |
| contents | 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. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2207_05400 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Generation of polarized spin-triplet Cooper pairings by magnetic barriers in superconducting junctions Tamura, Shun Tanaka, Yukio Yokoyama, Takehito Superconductivity Mesoscale and Nanoscale Physics 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. |
| title | Generation of polarized spin-triplet Cooper pairings by magnetic barriers in superconducting junctions |
| topic | Superconductivity Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2207.05400 |