{
  "abstract": "We construct an exact Weyl double copy of the singly spinning five-dimensional Emparan--Reall black ring. Its complete nonlinear Weyl curvature is the sum of two scalar-weighted Maxwell squares. One field is generated by the stationary Killing vector; the other carries topological magnetic flux through a sphere linking the ring. Both are source-free Maxwell fields on the black-ring spacetime, with corresponding scalar partners obeying a common sourced wave equation. This extends exact five-dimensional Weyl doubling beyond the type-$\\mathrm D$ and type-$\\mathrm N$ examples to a black hole whose exterior contains both type-$\\mathrm G$ and type-$\\mathrm{I}_i$ regions. The Weyl polynomial factorizes into two distinct irreducible quadratics, establishing genuine De Smet type $22$, thereby ruling out a reduction to a single Maxwell square.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2609.25209",
  "author_total": 1,
  "authors": [
    {
      "name": "Damien A. Easson"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/6cyfek87zamv0.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2609.25209",
  "fulltext_url": null,
  "id": "6cyfek87zamv0",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2609.25209",
  "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",
      "gr-qc"
    ],
    [
      "arxiv",
      "hep-th"
    ],
    [
      "openalex",
      "3106|Black Holes and Theoretical Physics"
    ]
  ],
  "openalex": "W7214073583",
  "pdf_url": "https://arxiv.org/pdf/2609.25209",
  "pmcid": null,
  "pmid": null,
  "published": "2026-09-21",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/6cyfek87zamv0.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:23:39Z",
      "native_id": "2609.25209",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2609.25209"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:gr-qc",
      "subfield": "gravitation"
    },
    {
      "field": "physics",
      "origin": "arxiv:hep-th",
      "subfield": "high-energy"
    }
  ],
  "title": "The Double Copy of the Black Ring",
  "title_text": "The Double Copy of the Black Ring",
  "type": "preprint",
  "updated_at": "2026-10-30T12:23:39Z",
  "url": "https://research.draconitic.com/paper/6cyfek87zamv0",
  "venue": "arXiv",
  "versions": []
}