Superconductivity as a Probe of Altermagnetism: Critical Temperature, Field, and Current
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arXiv
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| Auteurs principaux: | , , |
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| Format: | Preprint |
| Publié: |
2026
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| _version_ | 1866918375614054400 |
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| author | Mazanik, A. A. Heras, Rodrigo de las Bergeret, F. S. |
| author_facet | Mazanik, A. A. Heras, Rodrigo de las Bergeret, F. S. |
| contents | We study thin films that host coexisting collinear $d$-wave altermagnetic and superconducting orders in the presence of an external magnetic field that fully penetrates the films. We use the Ginzburg-Landau functional to analyze the response of the films to magnetic fields and an in-plane supercurrent. We demonstrate that the interplay between superconductivity and altermagnetism induces characteristic fourfold anisotropies in the critical temperature, parallel critical field, and critical current density of the films. These results establish experimentally accessible signatures of altermagnetism in superconducting films and in superconductor/altermagnetic insulator heterostructures. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_06188 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Superconductivity as a Probe of Altermagnetism: Critical Temperature, Field, and Current Mazanik, A. A. Heras, Rodrigo de las Bergeret, F. S. Superconductivity We study thin films that host coexisting collinear $d$-wave altermagnetic and superconducting orders in the presence of an external magnetic field that fully penetrates the films. We use the Ginzburg-Landau functional to analyze the response of the films to magnetic fields and an in-plane supercurrent. We demonstrate that the interplay between superconductivity and altermagnetism induces characteristic fourfold anisotropies in the critical temperature, parallel critical field, and critical current density of the films. These results establish experimentally accessible signatures of altermagnetism in superconducting films and in superconductor/altermagnetic insulator heterostructures. |
| title | Superconductivity as a Probe of Altermagnetism: Critical Temperature, Field, and Current |
| topic | Superconductivity |
| url | https://arxiv.org/abs/2603.06188 |