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| Autori principali: | , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| Soggetti: | |
| Accesso online: | https://arxiv.org/abs/2509.10907 |
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| _version_ | 1866917197788479488 |
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| author | Shi, Jingtian Chaudhary, Gaurav MacDonald, Allan H. Martin, Ivar |
| author_facet | Shi, Jingtian Chaudhary, Gaurav MacDonald, Allan H. Martin, Ivar |
| contents | Structural twirls form spontaneously in the domain wall networks of some moiré materials. We show that in heterobilayers, neighboring twirl chiralities tend to anti-align, forming staggered patterns that are well described by antiferromagnetic lattice $ϕ^4$ theories. In moiré systems with triangular domains, this leads to frustration in the chirality configuration of the structural twirls and to hysteresis with respect to variation of the average twist angle and possibly other control parameters. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_10907 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Spontaneous Twirls and Structural Frustration in Moiré Materials Shi, Jingtian Chaudhary, Gaurav MacDonald, Allan H. Martin, Ivar Materials Science Structural twirls form spontaneously in the domain wall networks of some moiré materials. We show that in heterobilayers, neighboring twirl chiralities tend to anti-align, forming staggered patterns that are well described by antiferromagnetic lattice $ϕ^4$ theories. In moiré systems with triangular domains, this leads to frustration in the chirality configuration of the structural twirls and to hysteresis with respect to variation of the average twist angle and possibly other control parameters. |
| title | Spontaneous Twirls and Structural Frustration in Moiré Materials |
| topic | Materials Science |
| url | https://arxiv.org/abs/2509.10907 |