{
  "annotation_id": "6e452cb7-9e3d-48e3-bf6e-6d72047eb31e",
  "date_created": "2026-03-02T18:00:50.136000Z",
  "date_modified": "2026-03-02T18:00:50.136000Z",
  "file_hash": "ea63769671e29fea755f2e6e7b89eb44684d653ee8c2d2339cdaa77dbe3d348e",
  "private": false,
  "record": {
    "abstract": "The influence of material coverings on the antenna bandwidth is investigated\nfor antennas formed by thin electric or magnetic line sources. It is shown that\nuniform thin layers of arbitrary passive materials (including Veselago,\nleft-handed, or double-negative materials) cannot help to overcome the\nbandwidth limitations imposed by the amount of energy stored in the antenna\nreactive field. Alternative possibilities offered by complex composite\nmaterials in the antenna design are identified.",
    "arxiv_id": "physics/0401144",
    "authors": [
      "S. A. Tretyakov",
      "S. I. Maslovski",
      "A. A. Sochava",
      "C. R. Simovski"
    ],
    "categories": [
      "physics.class-ph",
      "physics.gen-ph"
    ],
    "title": "The influence of complex material coverings on the bandwidth of antennas",
    "url": "https://arxiv.org/abs/physics/0401144"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "d255e381-4dbb-487a-9658-8a54d1211b7e",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}