{
  "abstract": "We present an explicit three-parameter family of toric Einstein-Maxwell gravitational instantons. These are complete Riemannian manifolds with vanishing scalar curvature which satisfy the Riemannian Einstein-Maxwell equations. We argue that the metric can be extended to a space with two asymptotic ends diffeomorphic to $\\mathbb{H}^2 \\times S^2$ with a non-collapsing two-cycle (bolt) in the bulk. The global metric is produced by suitably extending an analytic continuation of a local family of Lorentzian black hole geometries constructed by Ovcharenko-Podolsky.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2609.09694",
  "author_total": 1,
  "authors": [
    {
      "name": "Hari K. Kunduri"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/2va7bdmd3xz7x.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2609.09694",
  "fulltext_url": null,
  "id": "2va7bdmd3xz7x",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2609.09694",
  "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"
    ],
    [
      "openalex",
      "3106|Black Holes and Theoretical Physics"
    ]
  ],
  "openalex": "W7212140228",
  "pdf_url": "https://arxiv.org/pdf/2609.09694",
  "pmcid": null,
  "pmid": null,
  "published": "2026-09-09",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/2va7bdmd3xz7x.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:20:12Z",
      "native_id": "2609.09694",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2609.09694"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:gr-qc",
      "subfield": "gravitation"
    }
  ],
  "title": "Ovcharenko-Podolsky Einstein-Maxwell gravitational instantons",
  "title_text": "Ovcharenko-Podolsky Einstein-Maxwell gravitational instantons",
  "type": "preprint",
  "updated_at": "2026-10-30T12:20:12Z",
  "url": "https://research.draconitic.com/paper/2va7bdmd3xz7x",
  "venue": "arXiv",
  "versions": []
}