{
  "annotation_id": "23fd5298-fc54-4162-a5e0-b7ea9eef4f01",
  "date_created": "2026-03-02T18:02:16.741000Z",
  "date_modified": "2026-03-02T18:02:16.741000Z",
  "file_hash": "cb7f105af46cd63cb65422ed9cd3ad8a0de2b513e360797ee2b52de0f7cfc4cd",
  "private": false,
  "record": {
    "abstract": "The general form of the Stefan-Boltzmann law for the energy density of\nblack-body radiation is generalized to a spacetime with extra dimensions using\nstandard kinetic and thermodynamic arguments. From statistical mechanics one\nobtains an exact formula. In a field-theoretic derivation, the Maxwell field\nmust be quantized. The notion of electric and magnetic fields is different in\nspacetimes with more than four dimensions. While the energy-momentum tensor for\nthe Maxwell field is traceless in four dimensions, it is not so when there are\nextra dimensions. But it is shown that its thermal average is traceless and in\nagreement with the thermodynamic results.",
    "arxiv_id": "quant-ph/0506131",
    "authors": [
      "H. Alnes",
      "F. Ravndal",
      "I. K. Wehus"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1088/1751-8113/40/47/018",
    "journal_ref": "J.Phys.A40:14309,2007",
    "title": "Black-body radiation in extra dimensions",
    "url": "https://arxiv.org/abs/quant-ph/0506131"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "27747fc0-cf97-4659-b760-f4423d43b9ca",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}