{
  "annotation_id": "a8e37da9-eee1-4d39-8d2c-1f36e20de02f",
  "date_created": "2026-03-02T18:00:01.309000Z",
  "date_modified": "2026-03-02T18:00:01.309000Z",
  "file_hash": "216e5a289becff9ff702cdfbaa68f4c1cdf99ea8278e3e537c743e2f9cbf637d",
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  "record": {
    "abstract": "The convergence properties of a multiparticle-multihole (mp-mh) configuration\nmixing approach whose purpose is to describe ground state correlations in\nnuclei without particle number and Pauli violations is investigated in the case\nof an exactly solvable pairing hamiltonian. Two different truncation schemes\nare tested by looking at quantities as correlation energies and single-particle\noccupation probabilities. Results show that pairing correlations present in\nusual superfluid nuclei can be accurately described using up to 6 particle-6\nhole excitations, a convergence fast enought for envisaging extensions to fully\nmicroscopic calculations.",
    "arxiv_id": "nucl-th/0406054",
    "authors": [
      "N. Pillet",
      "N. Sandulescu",
      "Nguyen Van Giai",
      "J-F Berger"
    ],
    "categories": [
      "nucl-th"
    ],
    "doi": "10.1103/PhysRevC.71.044306",
    "journal_ref": "Phys.Rev.C71:044306,2005",
    "title": "Convergence of Particle-Hole Expansions for the Description of Nuclear   Correlations",
    "url": "https://arxiv.org/abs/nucl-th/0406054"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "161e4eb7-6c27-4b65-9fff-9a01082350cd",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}