{
  "annotation_id": "a872ba2d-830a-4851-aa9d-1050b3e2b55c",
  "date_created": "2026-03-02T18:00:31.617000Z",
  "date_modified": "2026-03-02T18:00:31.617000Z",
  "file_hash": "41f84bc0a55df3f39356ee1044625d35fa42a3b926bcc71e9170664f9e333be0",
  "private": false,
  "record": {
    "abstract": "It is well known that for the case of two neutral but electrically\npolarizable atoms the consideration or not of retardation effects on the\ndispersive van der Waals force between them leads essentially to different\npower laws for the forces; while the retarded force is proportional to $1/r^8$,\nwhere $r$ is the distance between the atoms, the non-retarded force is\nproportional to $1/r^7$. Here we consider the (repulsive) dispersive force\nbetween an electrically polarizable atom and a magnetically polarizable one and\nshow that, in contrast to the previous case, a quite unexpected result appears,\nnamely: while the retarded force is still proportional to $1/r^8$, the\nnon-retarded force is proportional to $1/r^5$. We employ a semiclassical method\nbased on the fluctuating dipole model for both atoms.",
    "arxiv_id": "physics/0007084",
    "authors": [
      "C. Farina",
      "F. C. Santos",
      "A. C. Tort"
    ],
    "categories": [
      "physics.atom-ph"
    ],
    "title": "A Simple Model for the Non-Retarded Dispersive Force between an   Electrically Polarizable Atom and a Magnetic Polarizable One",
    "url": "https://arxiv.org/abs/physics/0007084"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "a1870a9a-1c88-40b7-b4d3-60579f08fa20",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}