Torsion-induced Dzyaloshinskii-Moriya interaction in helical magnets
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arXiv
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| Hauptverfasser: | , |
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| Format: | Preprint |
| Veröffentlicht: |
2025
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| _version_ | 1866917106548736000 |
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| author | Kuznetsov, M. A. Fraerman, A. A. |
| author_facet | Kuznetsov, M. A. Fraerman, A. A. |
| contents | It has been shown that in magnets possessing an inversion center in the absence of deformations, a torsion-induced Dzyaloshinsky-Moriya interaction (tiDMI) can arise. A microscopic mechanism for this interaction is described, involving the transfer of angular momentum to the lattice upon electron reflection from the magnet's boundary. An estimate of the tiDMI constant is provided. It is demonstrated that tiDMI can lift the chiral degeneracy in helimagnets, and a way for experimentally observing this effect is proposed. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_21400 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Torsion-induced Dzyaloshinskii-Moriya interaction in helical magnets Kuznetsov, M. A. Fraerman, A. A. Mesoscale and Nanoscale Physics It has been shown that in magnets possessing an inversion center in the absence of deformations, a torsion-induced Dzyaloshinsky-Moriya interaction (tiDMI) can arise. A microscopic mechanism for this interaction is described, involving the transfer of angular momentum to the lattice upon electron reflection from the magnet's boundary. An estimate of the tiDMI constant is provided. It is demonstrated that tiDMI can lift the chiral degeneracy in helimagnets, and a way for experimentally observing this effect is proposed. |
| title | Torsion-induced Dzyaloshinskii-Moriya interaction in helical magnets |
| topic | Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2511.21400 |