{
  "annotation_id": "b1069206-9c3f-4b48-a5d2-65db8f11f194",
  "date_created": "2026-03-02T18:00:53.100000Z",
  "date_modified": "2026-03-02T18:00:53.100000Z",
  "file_hash": "edbc1a7ebfd6b4428296eac970d47cd2be918b25766f0f2b6d8a0d0d3ec71906",
  "private": false,
  "record": {
    "abstract": "This paper presents a novel approach to wave propagation inside the\nFabry-Perot framework. It states that the time-averaged Poynting vector modulus\ncould be nonequivalent with the squared-field amplitude modulus. This fact\npermits the introduction of a new kind of nonlinear medium whose nonlinearity\nis proportional to the time-averaged Poynting vector modulus. Its transmittance\nis calculated and found to differ with that obtained for the Kerr medium, whose\nnonlinearity is proportional to the squared-field amplitude modulus. The latter\nemphasizes the nonequivalence of these magnitudes. A space-time symmetry\nanalysis shows that the Poynting nonlinearity should be only possible in\nnoncentrosymmetric materials.",
    "arxiv_id": "physics/0408104",
    "authors": [
      "Alberto Lencina",
      "Pablo Vaveliuk"
    ],
    "categories": [
      "physics.optics"
    ],
    "doi": "10.1103/PhysRevE.71.056614",
    "journal_ref": "Phys. Rev. E 71, 056614 (2005)",
    "title": "Squared-field amplitude modulus and radiation intensity nonequivalence   within nonlinear slabs",
    "url": "https://arxiv.org/abs/physics/0408104"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "643991a0-f831-48ef-a18f-1d7162ab39c1",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}