{
  "abstract": "We test exact marginality of the deformation describing the resolution of a ℤ2 orbifold by analyzing the closed superstring equations of motion to third order in the size, including α′ corrections. We find that the third order correction is unobstructed for all deformation moduli. We are also able to reproduce the Eguchi-Hanson gravitational instanton up to the second order in the field theory limit with a suitable choice of moduli.",
  "abstract_shown": true,
  "affiliations": [
    "Ludwig-Maximilians-Universität München",
    "Nagoya University"
  ],
  "article_type": null,
  "arxiv": null,
  "author_total": 2,
  "authors": [
    {
      "affs": [
        0
      ],
      "name": "Ivo Sachs",
      "orcid": "0000-0003-2526-8655"
    },
    {
      "affs": [
        0,
        1
      ],
      "name": "Xianghang Zhang",
      "orcid": "0009-0006-0951-2119"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/f3wehnn1qhjfq.bib",
  "cited_by": 0,
  "doi": "10.1007/jhep11(2026)058",
  "fulltext_url": null,
  "id": "f3wehnn1qhjfq",
  "issns": [
    "1029-8479"
  ],
  "landing_url": "https://link.springer.com/article/10.1007/JHEP11(2026)058",
  "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)058.pdf",
  "pmcid": null,
  "pmid": null,
  "published": "2026-11-06",
  "publisher": "Springer Science and Business Media LLC",
  "ris": "https://research.draconitic.com/paper/f3wehnn1qhjfq.ris",
  "sources": [
    {
      "first_seen": "2026-11-07T06:20:32Z",
      "native_id": "10.1007/jhep11(2026)058",
      "source": "feed-springer",
      "url": "https://link.springer.com/article/10.1007/JHEP11(2026)058"
    },
    {
      "first_seen": "2026-11-07T12:20:33Z",
      "native_id": "10.1007/jhep11(2026)058",
      "source": "crossref",
      "url": "https://link.springer.com/article/10.1007/JHEP11(2026)058"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "feed-journal:physics/high-energy",
      "subfield": "high-energy"
    }
  ],
  "title": "Gravitational instantons from closed superstring field theory",
  "title_text": "Gravitational instantons from closed superstring field theory",
  "type": "peer-reviewed",
  "updated_at": "2026-11-09T00:20:31Z",
  "url": "https://research.draconitic.com/paper/f3wehnn1qhjfq",
  "venue": "Journal of High Energy Physics",
  "versions": []
}