{
  "abstract": "Accurate real-time simulation of correlated quantum systems remains challenging for both classical methods and near-term quantum hardware. We introduce operator-projected variational quantum real-time evolution (OVQRTE), which updates a parameterized circuit by enforcing the Ehrenfest equations for a selected set of observables. OVQRTE requires only expectation-value measurements, while the choice of operator set enables a systematic trade-off between accuracy and measurement cost, substantially reducing quantum-resource requirements relative to existing variational real-time-evolution algorithms. After implementing OVQRTE dynamics of Heisenberg model on a simulator, we benchmark the algorithm for the Anderson impurity models on the IQM Emerald superconducting processor using up to 24 qubits. We further use OVQRTE to sample computational-basis states for quantum-selected configuration interaction (QSCI), enabling the calculation of the ground-state energy and density of states within a self-consistent ghost-Gutzwiller Ansatz (gGut) embedding loop. Our results establish OVQRTE as a promising approach for investigating correlated condensed-matter systems on near-term quantum hardware.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2609.15272",
  "author_total": 4,
  "authors": [
    {
      "name": "Aeishah Ameera Anuar"
    },
    {
      "name": "PV Sriluckshmy"
    },
    {
      "name": "Riccardo Rossi"
    },
    {
      "name": "Fedor Simkovic"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/9yyj3mmaqb6bm.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2609.15272",
  "fulltext_url": null,
  "id": "9yyj3mmaqb6bm",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2609.15272",
  "language": null,
  "licence": "CC-BY-4.0",
  "licence_label": "CC BY 4.0",
  "licence_source": "article",
  "licence_url": "http://creativecommons.org/licenses/by/4.0/",
  "metadata_licence": "CC0-1.0",
  "native_subjects": [
    [
      "arxiv",
      "cond-mat.str-el"
    ],
    [
      "arxiv",
      "quant-ph"
    ],
    [
      "openalex",
      "1702|Quantum Computing Algorithms and Architecture"
    ]
  ],
  "openalex": "W7213329531",
  "pdf_url": "https://arxiv.org/pdf/2609.15272",
  "pmcid": null,
  "pmid": null,
  "published": "2026-09-14",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/9yyj3mmaqb6bm.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:21:25Z",
      "native_id": "2609.15272",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2609.15272"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:cond-mat.str-el",
      "subfield": "condensed-matter"
    },
    {
      "field": "physics",
      "origin": "arxiv:quant-ph",
      "subfield": "quantum"
    }
  ],
  "title": "Variational Real-Time Dynamics on Reduced Operator Manifolds",
  "title_text": "Variational Real-Time Dynamics on Reduced Operator Manifolds",
  "type": "preprint",
  "updated_at": "2026-10-30T12:21:25Z",
  "url": "https://research.draconitic.com/paper/9yyj3mmaqb6bm",
  "venue": "arXiv",
  "versions": []
}