{
  "annotation_id": "b3760ae8-de80-425e-b88a-8d54be666499",
  "date_created": "2026-03-02T18:00:14.828000Z",
  "date_modified": "2026-03-02T18:00:14.828000Z",
  "file_hash": "f611f52301e674852d6dafa39a6fd8fda7962284ad67e12549583acc41a23b03",
  "private": false,
  "record": {
    "abstract": "The link between non-linear chiral effective Lagrangians and the Walecka\nmodel description of bulk nuclear matter [1] is questioned. This fact is by\nitself due to the Mean Field Approximation (MFA) which in nuclear mater makes\nthe picture of a nucleon-nucleon interaction based on scalar(vector) meson\nexchange, equivalent to the description of a nuclear matter based on attractive\nand repulsive contact interactions. We present a linear chiral model where this\nlink between the Walecka model and an underlying to chiral symmetry realization\nstill holds, due to MFA.",
    "arxiv_id": "nucl-th/9602036",
    "authors": [
      "A. Delfino",
      "M. Malheiro",
      "T. Frederico"
    ],
    "categories": [
      "nucl-th",
      "hep-ph"
    ],
    "journal_ref": "Braz.J.Phys. 31 (2001) 518",
    "title": "How reliable is the mean-field Nuclear Matter description for supporting   Chiral Effective Lagrangians?",
    "url": "https://arxiv.org/abs/nucl-th/9602036"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "2e029a62-cdab-45bf-8c8a-0527cb36b4d7",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}