{
  "annotation_id": "b74f2e97-51cc-4cad-b746-e633c65afa41",
  "date_created": "2026-03-02T18:01:04.223000Z",
  "date_modified": "2026-03-02T18:01:04.223000Z",
  "file_hash": "3350fe7fc9d4f93c7a3c2b560c5e389036c9db097e942e79e4006aa421b62913",
  "private": false,
  "record": {
    "abstract": "We demonstrate a Brownian motor, based on cold atoms in optical lattices,\nwhere isotropic random fluctuations are rectified in order to induce controlled\natomic motion in arbitrary directions. In contrast to earlier demonstrations of\nratchet effects, our Brownian motor operates in potentials that are spatially\nand temporally symmetric, but where spatiotemporal symmetry is broken by a\nphase shift between the potentials and asymmetric transfer rates between them.\nThe Brownian motor is demonstrated in three dimensions and the noise-induced\ndrift is controllable in our system.",
    "arxiv_id": "physics/0512145",
    "authors": [
      "Peder Sjolund",
      "Stefan J. H. Petra",
      "Claude M. Dion",
      "Svante Jonsell",
      "Mats Nylen",
      "Laurent Sanchez-Palencia",
      "Anders Kastberg"
    ],
    "categories": [
      "physics.atom-ph"
    ],
    "doi": "10.1103/PhysRevLett.96.190602",
    "journal_ref": "Phys. Rev. Lett. 96, 190602 (2006)",
    "title": "Demonstration of a controllable three-dimensional Brownian motor in   symmetric potentials",
    "url": "https://arxiv.org/abs/physics/0512145"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "e0187366-6cf9-4c1e-9abb-46d87a502694",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}