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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2605.10139 |
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| _version_ | 1866914620185247744 |
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| author | Wang, Ming Yan Liu, Yi Lu, Yao |
| author_facet | Wang, Ming Yan Liu, Yi Lu, Yao |
| contents | We investigate a Rashba superconductor thin film coupled to overlaying ferromagnetic insulators (FIs). We show that the ferromagnetic insulators generate circular super-currents, enabling long-range magnetic interactions (LRMI), decaying in power laws. In the static case, the long-range magnetic interaction can be ferromagnetic, in contrast to previous studies showing that superconductor mediates anti-ferromagnetic interactions decaying exponentially. Surprisingly, we find that in the dynamic case, the LRMI has a different distance dependence. Our results have potential applications in superconducting spintronics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_10139 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Superconductivity Mediated Long Range Magnetic Coupling Wang, Ming Yan Liu, Yi Lu, Yao Superconductivity We investigate a Rashba superconductor thin film coupled to overlaying ferromagnetic insulators (FIs). We show that the ferromagnetic insulators generate circular super-currents, enabling long-range magnetic interactions (LRMI), decaying in power laws. In the static case, the long-range magnetic interaction can be ferromagnetic, in contrast to previous studies showing that superconductor mediates anti-ferromagnetic interactions decaying exponentially. Surprisingly, we find that in the dynamic case, the LRMI has a different distance dependence. Our results have potential applications in superconducting spintronics. |
| title | Superconductivity Mediated Long Range Magnetic Coupling |
| topic | Superconductivity |
| url | https://arxiv.org/abs/2605.10139 |