Disorder and non-Hermiticity in Kitaev spin liquids with a Majorana Fermi surface
Fuente:
arXiv
Guardado en:
| Autores principales: | , , , |
|---|---|
| Formato: | Preprint |
| Publicado: |
2024
|
| Materias: | |
| Acceso en línea: | |
| Etiquetas: |
Agregar Etiqueta
Sin Etiquetas, Sea el primero en etiquetar este registro!
|
| _version_ | 1866908803426942976 |
|---|---|
| author | Rødland, Lukas Ortega-Taberner, Carlos Agarwal, Megha Hermanns, Maria |
| author_facet | Rødland, Lukas Ortega-Taberner, Carlos Agarwal, Megha Hermanns, Maria |
| contents | We study the effect of disorder on Z$_2$ quantum spin liquids with a Majorana Fermi line (respectively surface in three dimensions) and show that depending on the symmetries that are preserved \emph{on average} qualitatively different scenarios will occur.
In particular, we identify the relevant non-Hermitian symmetries for which disorder will effectively split the Fermi line into two exceptional lines, with $\Re(E)=0$ states filling the area in between. We demonstrate the different scenarios using both toy models as well as large-scale numerical simulations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_01448 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Disorder and non-Hermiticity in Kitaev spin liquids with a Majorana Fermi surface Rødland, Lukas Ortega-Taberner, Carlos Agarwal, Megha Hermanns, Maria Strongly Correlated Electrons We study the effect of disorder on Z$_2$ quantum spin liquids with a Majorana Fermi line (respectively surface in three dimensions) and show that depending on the symmetries that are preserved \emph{on average} qualitatively different scenarios will occur. In particular, we identify the relevant non-Hermitian symmetries for which disorder will effectively split the Fermi line into two exceptional lines, with $\Re(E)=0$ states filling the area in between. We demonstrate the different scenarios using both toy models as well as large-scale numerical simulations. |
| title | Disorder and non-Hermiticity in Kitaev spin liquids with a Majorana Fermi surface |
| topic | Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2402.01448 |