The Nonintrinsic Sector of Landau Theory
Fuente:
arXiv
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| Autor principal: | |
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| Formato: | Preprint |
| Publicado: |
2026
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| Materias: | |
| Acceso en línea: | |
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| _version_ | 1866912978828263424 |
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| author | Li, Trey |
| author_facet | Li, Trey |
| contents | Landau theory usually treats free-energy coefficients as intrinsic parameters fixed by thermodynamic variables. We show that externally written microscale fields can survive coarse graining and enter the free-energy functional as spatially prescribed coefficient fields. This defines a nonintrinsic sector of Landau theory. The key condition is a hierarchy of correlation, writing, and frustration lengths. We identify ion-patterned FeRh as a plausible realization. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_22038 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | The Nonintrinsic Sector of Landau Theory Li, Trey Statistical Mechanics Landau theory usually treats free-energy coefficients as intrinsic parameters fixed by thermodynamic variables. We show that externally written microscale fields can survive coarse graining and enter the free-energy functional as spatially prescribed coefficient fields. This defines a nonintrinsic sector of Landau theory. The key condition is a hierarchy of correlation, writing, and frustration lengths. We identify ion-patterned FeRh as a plausible realization. |
| title | The Nonintrinsic Sector of Landau Theory |
| topic | Statistical Mechanics |
| url | https://arxiv.org/abs/2603.22038 |