{
  "annotation_id": "87d3f55d-95ef-4d9d-b355-4bf74976bc68",
  "date_created": "2026-03-02T18:01:52.564000Z",
  "date_modified": "2026-03-02T18:01:52.564000Z",
  "file_hash": "eb4de09ed7cb1207f0910c3290b1f293fcdcd2257066054a3ab13ed9d49c52cd",
  "private": false,
  "record": {
    "abstract": "The one-dimensional Coulomb-like potential with a real coupling constant\nbeta, and a centrifugal-like core of strength G = alpha^2 - {1/4}, viz. V(x) =\n{alpha^2 - (1/4)}/{(x-ic)^2} + beta/|x-ic|, is discussed in the framework of\nPT-symmetry. The PT-invariant exactly solvable model so formed, is found to\nadmit a double set of real and discrete energies, numbered by a quasi-parity q\n= +/- 1.",
    "arxiv_id": "quant-ph/0207132",
    "authors": [
      "Anjana Sinha",
      "Rajkumar Roychoudhury"
    ],
    "categories": [
      "quant-ph"
    ],
    "title": "PT-invariant one-dimensional Coulomb problem",
    "url": "https://arxiv.org/abs/quant-ph/0207132"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "14e168f1-811b-404c-b271-8c8da3ca02a3",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}