{
  "abstract": "We demonstrate repulsion-driven topological superconductivity of a single species of Dirac fermions, motivated by valley-polarized phases observed in two-dimensional materials such as rhombohedral graphene. Using density-matrix renormalization group calculations on the Qi-Wu-Zhang lattice model on cylinders of width up to eight, we find a robust phase of spinless chiral $p$-wave superconductivity. Pairing already starts at low doping and thus occurs on a small, nearly isotropic Fermi pocket, and is therefore not tied to the particular details or anisotropy of the dispersion but instead seems tied to the non-trivial quantum geometry of the bands. In fact, the winding of the superconductor order parameter is opposite (\"$p-ip$\") to that of the anomalous Hall metal which forms the parent state, in agreement with expectations recently derived from weak coupling calculations. At larger doping, we find that a pair-density-wave component develops alongside zero-momentum pairing. Our work shows that the combination of strong repulsion, absence of time-reversal in the parent state, and non-trivial quantum geometry form a promising platform to realize topological superconductivity.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2609.30365",
  "author_total": 5,
  "authors": [
    {
      "name": "Cesar A. Gallegos"
    },
    {
      "name": "Omid Tavakol"
    },
    {
      "name": "Christopher Yang"
    },
    {
      "name": "Steven R. White"
    },
    {
      "name": "Thomas Scaffidi"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/93afmgfnyxfjr.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2609.30365",
  "fulltext_url": null,
  "id": "93afmgfnyxfjr",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2609.30365",
  "language": null,
  "licence": "CC-BY-4.0",
  "licence_label": "CC BY 4.0",
  "licence_source": "article",
  "licence_url": "http://creativecommons.org/licenses/by/4.0/",
  "metadata_licence": "CC0-1.0",
  "native_subjects": [
    [
      "arxiv",
      "cond-mat.str-el"
    ],
    [
      "arxiv",
      "cond-mat.supr-con"
    ],
    [
      "openalex",
      "3107|Topological Materials and Phenomena"
    ]
  ],
  "openalex": "W7214683944",
  "pdf_url": "https://arxiv.org/pdf/2609.30365",
  "pmcid": null,
  "pmid": null,
  "published": "2026-09-24",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/93afmgfnyxfjr.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:24:52Z",
      "native_id": "2609.30365",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2609.30365"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:cond-mat.str-el",
      "subfield": "condensed-matter"
    }
  ],
  "title": "Repulsion-Driven $p - i p$ Superconductivity in a Single Valley Revealed by DMRG",
  "title_text": "Repulsion-Driven $p - i p$ Superconductivity in a Single Valley Revealed by DMRG",
  "type": "preprint",
  "updated_at": "2026-10-30T12:24:52Z",
  "url": "https://research.draconitic.com/paper/93afmgfnyxfjr",
  "venue": "arXiv",
  "versions": []
}