{
  "abstract": "We investigate the quasinormal modes (QNMs) and greybody factors of dilaton-Euler-Heisenberg (dEH) de Sitter (dS) black holes in string-inspired Euler-Heisenberg gravity. Since the axial gravitational and electromagnetic perturbations decouple, we treat them independently. By applying the asymptotic iteration method (AIM) alongside a sixth-order WKB approximation, we compute the quasinormal frequencies and find excellent agreement between the two approaches. We also find that the QNM spectra depend sensitively on the magnetic charge $Q_{\\text{m}}$, cosmological constant $Λ$, and nonlinear coupling $ε$, with a notable topological anomaly appearing in the electromagnetic frequency trajectories. Additionally, larger values of $Q_{\\text{m}}$ or the multipole number $l$ generally suppress wave transmission, while the electromagnetic sector with $ε=1$ exhibits an anomalous response.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": "Journal reference: Chinese Physics C Vol. 50, No. 11 (2026)",
  "arxiv": "2608.15111",
  "author_total": 7,
  "authors": [
    {
      "name": "Ming Zhang"
    },
    {
      "name": "Guo-Xin Chen"
    },
    {
      "name": "Xufen Zhang"
    },
    {
      "name": "Cheng-Fu Feng"
    },
    {
      "name": "Sheng-Yuan Li"
    },
    {
      "name": "Rui-Hong Yue"
    },
    {
      "name": "De-Cheng Zou"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/267z4vftqt29w.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2608.15111",
  "fulltext_url": null,
  "id": "267z4vftqt29w",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2608.15111",
  "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",
      "gr-qc"
    ],
    [
      "arxiv",
      "hep-th"
    ]
  ],
  "openalex": null,
  "pdf_url": "https://arxiv.org/pdf/2608.15111",
  "pmcid": null,
  "pmid": null,
  "published": "2026-08-15",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/267z4vftqt29w.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:24:11Z",
      "native_id": "2608.15111",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2608.15111"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:gr-qc",
      "subfield": "gravitation"
    },
    {
      "field": "physics",
      "origin": "arxiv:hep-th",
      "subfield": "high-energy"
    }
  ],
  "title": "Quasinormal frequencies and greybody factors for axial perturbations of dilaton-Euler-Heisenberg de Sitter black holes",
  "title_text": "Quasinormal frequencies and greybody factors for axial perturbations of dilaton-Euler-Heisenberg de Sitter black holes",
  "type": "preprint",
  "updated_at": "2026-10-30T12:24:11Z",
  "url": "https://research.draconitic.com/paper/267z4vftqt29w",
  "venue": "arXiv",
  "versions": [
    {
      "doi": "10.1088/1674-1137/ae9e9c",
      "pid": null,
      "relation": "published-as",
      "title": null,
      "venue": null
    }
  ]
}