From Fractionalization to Chiral Topological Superconductivity in a Flat Chern Band
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arXiv
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| Format: | Preprint |
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2025
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| author | Guerci, Daniele Abouelkomsan, Ahmed Fu, Liang |
| author_facet | Guerci, Daniele Abouelkomsan, Ahmed Fu, Liang |
| contents | We show that interacting electrons in a flat Chern band can form, in addition to fractional Chern insulators, a chiral $f$-wave topological superconductor that hosts neutral Majorana fermion edge modes. Superconductivity emerges from an interaction-induced metallic state that exhibits anomalous Hall effect, as observed in rhombohedral graphene and near the $ν=\frac{2}{3}$ fractional Chern insulator in twisted transition metal dichalcogenides. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_10938 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | From Fractionalization to Chiral Topological Superconductivity in a Flat Chern Band Guerci, Daniele Abouelkomsan, Ahmed Fu, Liang Superconductivity Strongly Correlated Electrons We show that interacting electrons in a flat Chern band can form, in addition to fractional Chern insulators, a chiral $f$-wave topological superconductor that hosts neutral Majorana fermion edge modes. Superconductivity emerges from an interaction-induced metallic state that exhibits anomalous Hall effect, as observed in rhombohedral graphene and near the $ν=\frac{2}{3}$ fractional Chern insulator in twisted transition metal dichalcogenides. |
| title | From Fractionalization to Chiral Topological Superconductivity in a Flat Chern Band |
| topic | Superconductivity Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2506.10938 |