{
  "abstract": "Previous studies of poly-instantons in type IIB Calabi-Yau orientifolds found that these effects arise when Euclidean D3-branes wrap rigid cycles with a Wilson line. In this work, we extend this result through a general analysis of instanton zero modes, revealing the existence of new poly-instanton effects for rigid cycles with a deformation, provided that O3-planes are localised on the worldvolume of the Euclidean D3-brane. We provide concrete Calabi-Yau examples with explicit orientifold involution and brane setup. One of them is particularly well suited for realising axion hilltop quintessence. In particular, the double exponential suppression of poly-instanton effects allows to reproduce the observed vacuum energy for natural values of the underlying parameters.",
  "abstract_shown": true,
  "affiliations": [
    "Università di Bologna",
    "INFN, Sezione di Bologna"
  ],
  "article_type": null,
  "arxiv": null,
  "author_total": 3,
  "authors": [
    {
      "affs": [
        0,
        1
      ],
      "name": "Luca Caraffi",
      "orcid": "0009-0008-9271-6271"
    },
    {
      "affs": [
        1
      ],
      "name": "Federico Carta",
      "orcid": "0000-0002-3131-5457"
    },
    {
      "affs": [
        0,
        1
      ],
      "name": "Michele Cicoli",
      "orcid": "0000-0003-1709-5651"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/b3ncmtha3g1wq.bib",
  "cited_by": 0,
  "doi": "10.1007/jhep11(2026)003",
  "fulltext_url": null,
  "id": "b3ncmtha3g1wq",
  "issns": [
    "1029-8479"
  ],
  "landing_url": "https://link.springer.com/article/10.1007/JHEP11(2026)003",
  "language": null,
  "licence": "CC-BY-4.0",
  "licence_label": "CC BY 4.0",
  "licence_source": "article",
  "licence_url": "https://creativecommons.org/licenses/by/4.0",
  "metadata_licence": null,
  "native_subjects": [
    [
      "feed-journal",
      "physics/high-energy"
    ]
  ],
  "openalex": null,
  "pdf_url": "https://link.springer.com/content/pdf/10.1007/JHEP11(2026)003.pdf",
  "pmcid": null,
  "pmid": null,
  "published": "2026-11-02",
  "publisher": "Springer Science and Business Media LLC",
  "ris": "https://research.draconitic.com/paper/b3ncmtha3g1wq.ris",
  "sources": [
    {
      "first_seen": "2026-11-03T06:20:13Z",
      "native_id": "10.1007/jhep11(2026)003",
      "source": "feed-springer",
      "url": "https://link.springer.com/article/10.1007/JHEP11(2026)003"
    },
    {
      "first_seen": "2026-11-03T12:20:29Z",
      "native_id": "10.1007/jhep11(2026)003",
      "source": "crossref",
      "url": "https://link.springer.com/article/10.1007/JHEP11(2026)003"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "feed-journal:physics/high-energy",
      "subfield": "high-energy"
    }
  ],
  "title": "New type IIB poly-instanton effects and axion quintessence",
  "title_text": "New type IIB poly-instanton effects and axion quintessence",
  "type": "peer-reviewed",
  "updated_at": "2026-11-05T00:20:41Z",
  "url": "https://research.draconitic.com/paper/b3ncmtha3g1wq",
  "venue": "Journal of High Energy Physics",
  "versions": []
}