{
  "annotation_id": "6a982061-37d2-4aaa-9067-ca6a74dfb19b",
  "date_created": "2026-03-02T18:00:39.898000Z",
  "date_modified": "2026-03-02T18:00:39.898000Z",
  "file_hash": "6a751b8859f8d4d0bac5151eccdf3cbaae86e34e6d97a5dcdc755987ffb18c94",
  "private": false,
  "record": {
    "abstract": "We introduce notions of free energy and loss in linear, absorbing dielectric\nmedia which are relevant to the regime in which the macroscopic Maxwell\nequations are themselves relevant. As such we solve a problem eluded to by\nLandau and Lifshitz in 1958, and later considered explicitly by Barash and\nGinzburg, and Oughtsun and Sherman. As such we provide physically-relevant\nreal-time notions of \"energy\" and \"loss\" in all analogous linear dissipative\nsystems.",
    "arxiv_id": "physics/0207117",
    "authors": [
      "C. Broadbent",
      "G. Hovhannisyan",
      "J. Peatross",
      "M. Clayton",
      "S. Glasgow"
    ],
    "categories": [
      "physics.optics",
      "physics.gen-ph"
    ],
    "title": "Real-time determination of free energy and losses in optical absorbing   media",
    "url": "https://arxiv.org/abs/physics/0207117"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "222aba1b-7fed-44f4-94c9-22b2be3576c9",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}