Superconductivity Mediated Long Range Magnetic Coupling

Fuente: arXiv
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Autori principali: Wang, Ming Yan, Liu, Yi, Lu, Yao
Natura: Preprint
Pubblicazione: 2026
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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