{
  "annotation_id": "a4605e4c-1642-4997-9d63-56f948ff7828",
  "date_created": "2026-03-02T18:02:03.125000Z",
  "date_modified": "2026-03-02T18:02:03.125000Z",
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  "record": {
    "abstract": "The intertwining operator technique is applied to difference Schroedinger\nequations with operator-valued coefficients. It is shown that these equations\nappear naturally when a discrete basis is used for solving a multichannel\nSchroedinger equation. New families of exactly solvable multichannel\nHamiltonians are found.",
    "arxiv_id": "quant-ph/0309039",
    "authors": [
      "L. M. Nieto",
      "B. F. Samsonov",
      "A. A. Suzko"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1088/0305-4470/36/49/011",
    "journal_ref": "J. Phys. A: Math. Gen. 36 (2003) 12293-12304",
    "title": "Intertwining technique for a system of difference Schroedinger equations   and new exactly solvable multichannel potentials",
    "url": "https://arxiv.org/abs/quant-ph/0309039"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "6777c6ec-ff28-4f3b-ba28-c04e99d56872",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}