{
  "annotation_id": "6df236aa-6cf6-45fb-97e4-2be3a448215c",
  "date_created": "2026-03-02T18:01:45.906000Z",
  "date_modified": "2026-03-02T18:01:45.906000Z",
  "file_hash": "caf0944eafdd4d6134c9227decc5319bbd8762a27000ec8f9ace50c3c43d67c1",
  "private": false,
  "record": {
    "abstract": "We study the spectral properties of one-dimensional quantum wire with a\nsingle defect. We reveal the existence of the non-trivial topological\nstructures in the spectral space of the system, which are behind the exotic\nquantum phenomena that have lately been found in the system.",
    "arxiv_id": "quant-ph/0109061",
    "authors": [
      "Taksu Cheon",
      "Tamas Fulop",
      "Izumi Tsutsui"
    ],
    "categories": [
      "quant-ph",
      "cond-mat.mes-hall",
      "gr-qc",
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "doi": "10.1142/9789812776716_0045",
    "title": "Spectral Structure of Quantum Line with a Defect",
    "url": "https://arxiv.org/abs/quant-ph/0109061"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "c7bce20a-42d7-461f-a437-ea4d30d24bec",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}