Anisotropic nonrelativistic charge-to-spin conversion in altermagnets
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866914189310689280 |
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| author | Dou, Mingbo Wang, Xianjie Tao, L. L. |
| author_facet | Dou, Mingbo Wang, Xianjie Tao, L. L. |
| contents | The charge-to-spin conversion provides an efficient way to manipulate the magnetization by electrical means. In this work, we report on a study on the anisotropic nonrelativistic charge-to-spin conversion response to the current direction in altermagnets. Based on the general group-theoretical analysis, we derive analytical formulas for the anisotropic conversion ratio and identify its maximum value. We then exemplify those phenomena in representative altermagnets based on the density functional theory calculations. The highly anisotropic charge-to-spin conversion efficiency, varying from zero to several tens of percent, was demonstrated. Our work shines more light on the exploration of the nonrelativistic generation of spin currents in altermagnets. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2512_08156 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Anisotropic nonrelativistic charge-to-spin conversion in altermagnets Dou, Mingbo Wang, Xianjie Tao, L. L. Other Condensed Matter The charge-to-spin conversion provides an efficient way to manipulate the magnetization by electrical means. In this work, we report on a study on the anisotropic nonrelativistic charge-to-spin conversion response to the current direction in altermagnets. Based on the general group-theoretical analysis, we derive analytical formulas for the anisotropic conversion ratio and identify its maximum value. We then exemplify those phenomena in representative altermagnets based on the density functional theory calculations. The highly anisotropic charge-to-spin conversion efficiency, varying from zero to several tens of percent, was demonstrated. Our work shines more light on the exploration of the nonrelativistic generation of spin currents in altermagnets. |
| title | Anisotropic nonrelativistic charge-to-spin conversion in altermagnets |
| topic | Other Condensed Matter |
| url | https://arxiv.org/abs/2512.08156 |