{
  "abstract": "We study interaction-driven ultrafast dynamics in finite graphene flakes following an optical pump quench in an interacting tight-binding model. By comparing exact real-time evolution with simulations restricted to particle-hole excitation subspaces, we assess when relaxation can be captured by low-order many-body processes and when this is not sufficient. The single-particle orbital entropy provides a compact diagnostic for dynamic correlation growth. For the systems studied here, periodic graphene flakes are well described by low-order excitations, whereas confined geometries require substantial higher-order contributions even for relatively small interaction strengths. The quench protocol combines simple initial-state preparation with strongly correlated dynamics, identifying a promising benchmark problem for future quantum-computing simulations.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2606.10548",
  "author_total": 7,
  "authors": [
    {
      "name": "Fabian Eickhoff"
    },
    {
      "name": "Satoshi Ejima"
    },
    {
      "name": "Lukas Windgätter"
    },
    {
      "name": "Florian G. Eich"
    },
    {
      "name": "Hannah Rittich"
    },
    {
      "name": "Sebastian Zanker"
    },
    {
      "name": "Peter Schmitteckert"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/0shrrhbhp92ej.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2606.10548",
  "fulltext_url": null,
  "id": "0shrrhbhp92ej",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2606.10548",
  "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",
      "cond-mat.str-el"
    ],
    [
      "arxiv",
      "physics.comp-ph"
    ],
    [
      "arxiv",
      "quant-ph"
    ],
    [
      "openalex",
      "3107|Quantum many-body systems"
    ]
  ],
  "openalex": "W7164208171",
  "pdf_url": "https://arxiv.org/pdf/2606.10548",
  "pmcid": null,
  "pmid": null,
  "published": "2026-08-31",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/0shrrhbhp92ej.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:17:41Z",
      "native_id": "2606.10548",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2606.10548"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:physics.comp-ph",
      "subfield": "computational"
    },
    {
      "field": "physics",
      "origin": "arxiv:cond-mat.str-el",
      "subfield": "condensed-matter"
    },
    {
      "field": "physics",
      "origin": "arxiv:quant-ph",
      "subfield": "quantum"
    }
  ],
  "title": "Interaction-driven dynamics in graphene flakes as a benchmark for quantum simulation",
  "title_text": "Interaction-driven dynamics in graphene flakes as a benchmark for quantum simulation",
  "type": "preprint",
  "updated_at": "2026-10-30T12:17:41Z",
  "url": "https://research.draconitic.com/paper/0shrrhbhp92ej",
  "venue": "arXiv",
  "versions": []
}