Out-of-plane Edelstein effects: Electric-field induced magnetization in $p$-wave magnets
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arXiv
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866916690231558144 |
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| author | Ezawa, Motohiko |
| author_facet | Ezawa, Motohiko |
| contents | In-plane magnetization is induced by the Edelstein effect in the Rashba spin-orbit interaction system. However, out-of-plane magnetization is more useful for switching a ferromagnetic memory. We study analytically and numerically electric-field induced magnetization in $p$-wave magnets with the aid of the Rashba interaction based on a simple two-band model. The out-of-plane magnetization is induced when the Néel vector of the $p$-wave magnet is along the $z$ direction. We also show that no magnetization is induced in the absence of the Rashba interaction. The electric-field induced magnetization will be useful for future switching technology of ferromagnetic memories based on the $p$-wave magnet. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_01888 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Out-of-plane Edelstein effects: Electric-field induced magnetization in $p$-wave magnets Ezawa, Motohiko Mesoscale and Nanoscale Physics In-plane magnetization is induced by the Edelstein effect in the Rashba spin-orbit interaction system. However, out-of-plane magnetization is more useful for switching a ferromagnetic memory. We study analytically and numerically electric-field induced magnetization in $p$-wave magnets with the aid of the Rashba interaction based on a simple two-band model. The out-of-plane magnetization is induced when the Néel vector of the $p$-wave magnet is along the $z$ direction. We also show that no magnetization is induced in the absence of the Rashba interaction. The electric-field induced magnetization will be useful for future switching technology of ferromagnetic memories based on the $p$-wave magnet. |
| title | Out-of-plane Edelstein effects: Electric-field induced magnetization in $p$-wave magnets |
| topic | Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2501.01888 |