{
  "annotation_id": "b0416952-d871-4658-9504-3e9895a70387",
  "date_created": "2026-03-02T18:02:50.818000Z",
  "date_modified": "2026-03-02T18:02:50.818000Z",
  "file_hash": "b43dc985fdb33ec301c503fb2e0aaccae0e28d15a465906b2cdddc9931be48eb",
  "private": false,
  "record": {
    "abstract": "Local magnetic relaxation measurements in YBa$_2$Cu$_3$O$_{7-x}$ crystals\nshow evidence for plastic vortex-creep associated with the motion of\ndislocations in the vortex lattice. This creep mechanism governs the vortex\ndynamics in a wide range of temperatures and fields below the melting line and\nabove the field corresponding to the peak in the \u0027\u0027fishtail\u0027\u0027 magnetization. In\nthis range the activation energy $U_{pl}$, which decreases with field, drops\nbelow the elastic (collective) creep activation energy, $U_{el}$, which\nincreases with field. A crossover in flux dynamics from elastic to plastic\ncreep is shown to be the origin of the fishtail in YBa$_2$Cu$_3$O$_{7-x}$.",
    "arxiv_id": "supr-con/9606003",
    "authors": [
      "Y. Abulafia",
      "A. Shaulov",
      "Y. Wolfus",
      "R. Prozorov",
      "L. Burlachkov",
      "Y. Yeshurun",
      "D. Majer E. Zeldov",
      "H. W\u00fchl",
      "V. B. Geshkenbein",
      "V. M. Vinokur"
    ],
    "categories": [
      "supr-con",
      "cond-mat.supr-con"
    ],
    "doi": "10.1103/PhysRevLett.77.1596",
    "title": "Plastic vortex-creep in YBa$_2$Cu$_3$O$_{7-x}$ crystals",
    "url": "https://arxiv.org/abs/supr-con/9606003"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "014de1fc-8a66-4e69-b2fe-a94562573173",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}