{
  "annotation_id": "0254f694-c151-4726-a368-c65818043707",
  "date_created": "2026-03-02T18:00:25.261000Z",
  "date_modified": "2026-03-02T18:00:25.261000Z",
  "file_hash": "b962a5292ec96fd7c39af684bf1b9636e2fb3761c24cb607a9a791c6f01ae386",
  "private": false,
  "record": {
    "abstract": "A three-dimensional reduction of the two-particle Bethe-Salpeter equation is\nproposed. The proposed reduction is in the framework of light-front dynamics.\nIt yields auxiliary quantities for the transition matrix and the bound state.\nThe arising effective interaction can be perturbatively expanded according to\nthe number of particles exchanged at a given light-front time. An example\nsuggests that the convergence of the expansion is rapid. This result is\nparticular for light-front dynamics. The covariant results of the\nBethe-Salpeter equation can be recovered from the corresponding auxiliary\nthree-dimensional ones. The technical procedure is developed for a two-boson\ncase; the idea for an extension to fermions is given. The technical procedure\nappears quite practicable, possibly allowing one to go beyond the ladder\napproximation for the solution of the Bethe-Salpeter equation. The relation\nbetween the three-dimensional light-front reduction of the field-theoretic\nBethe-Salpeter equation and a corresponding quantum-mechanical description is\ndiscussed.",
    "arxiv_id": "nucl-th/9909029",
    "authors": [
      "J. H. O. Sales",
      "T. Frederico",
      "B. V. Carlson",
      "P. U. Sauer"
    ],
    "categories": [
      "nucl-th"
    ],
    "doi": "10.1103/PhysRevC.61.044003",
    "journal_ref": "Phys.Rev. C61 (2000) 044003",
    "title": "Light-Front Bethe-Salpeter Equation",
    "url": "https://arxiv.org/abs/nucl-th/9909029"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "7fd08935-9914-42e0-a93e-3f9499fc52fe",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}