{
  "abstract": "We study rotating black holes in general relativity coupled to nonlinear electrodynamics (NED), focusing on an axisymmetric solution with deformation parameter $g$. On the spherical seed, weak-field lensing via the Gauss-Bonnet method and the shadow radius yield a spin-insensitive bound by enforcing a conservative $\\sim 10\\%$ tolerance on the Sgr A* ring size, namely $g/M \\lesssim 1.26$. In the eikonal regime we derive analytic quasinormal-mode shifts, even in $g$, and obtain an independent ceiling consistent with the shadow constraint. For the rotating geometry, we provide closed-form ZAMO scalars, chart horizons and the ergoregion, and analyze equatorial geodesics (photon orbits and ISCO). We then formulate the Comisso-Asenjo reconnection channel in the ZAMO frame, identify the negative-energy window, and integrate the extracted power over the allowed radii; from the tolerated fractional departure from the Kerr power we define a spin-dependent extraction bound $g_δ(a\\midσ_0,ξ)$. Taken together, the QNM/shadow ceiling and the extraction bound appreciably narrow the admissible region for $g/M$ in the $(a/M,g/M)$ plane, so even within our deliberately simplified, single-layer equatorial setup, the two complementary probes already provide informative constraints on NED deformations, testable with present data and upcoming horizon-scale and ringdown campaigns.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": "Journal reference: JCAP 10 (2026) 043",
  "arxiv": "2605.26369",
  "author_total": 4,
  "authors": [
    {
      "name": "Marco Figliolia"
    },
    {
      "name": "Gaetano Lambiase"
    },
    {
      "name": "Ali Övgün"
    },
    {
      "name": "R. C. Pantig"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/16xw8n50vsnnn.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2605.26369",
  "fulltext_url": null,
  "id": "16xw8n50vsnnn",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2605.26369",
  "language": null,
  "licence": "LicenseRef-arXiv-nonexclusive-1.0",
  "licence_label": "arXiv licence",
  "licence_source": "article",
  "licence_url": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
  "metadata_licence": "CC0-1.0",
  "native_subjects": [
    [
      "arxiv",
      "astro-ph.HE"
    ],
    [
      "arxiv",
      "gr-qc"
    ]
  ],
  "openalex": null,
  "pdf_url": "https://arxiv.org/pdf/2605.26369",
  "pmcid": null,
  "pmid": null,
  "published": "2026-10-20",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/16xw8n50vsnnn.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:34:04Z",
      "native_id": "2605.26369",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2605.26369"
    }
  ],
  "subjects": [
    {
      "field": "astronomy",
      "origin": "arxiv:astro-ph.HE",
      "subfield": "high-energy-astrophysics"
    },
    {
      "field": "physics",
      "origin": "arxiv:gr-qc",
      "subfield": "gravitation"
    }
  ],
  "title": "Energy extraction from NED-deformed rotating black holes via the Comisso-Asenjo reconnection process",
  "title_text": "Energy extraction from NED-deformed rotating black holes via the Comisso-Asenjo reconnection process",
  "type": "preprint",
  "updated_at": "2026-10-30T12:34:04Z",
  "url": "https://research.draconitic.com/paper/16xw8n50vsnnn",
  "venue": "arXiv",
  "versions": [
    {
      "doi": "10.1088/1475-7516/2026/10/043",
      "pid": null,
      "relation": "published-as",
      "title": null,
      "venue": null
    }
  ]
}