{
  "id": "astro-ph/0410479",
  "version": "v1",
  "published": "2004-10-20T14:43:58.000Z",
  "updated": "2004-10-20T14:43:58.000Z",
  "title": "A model for the challenging \"bi-drifting\" phenomenon in PSR J0815+09",
  "authors": [
    "G. J. Qiao",
    "K. J. Lee",
    "B. Zhang",
    "R. X. Xu",
    "H. G. Wang"
  ],
  "comment": "11 pages, 2 figures, ApJL, accepted",
  "journal": "Astrophys.J. 616 (2004) L127-L130",
  "doi": "10.1086/426862",
  "categories": [
    "astro-ph"
  ],
  "abstract": "A new drifting pulsar, PSR J0815+09, was discovered in the Arecibo drift-scan searches. An intriguing feature of this source is that within the four pulse components in the integrated pulse profile, the sub-pulse drifting direction in the two leading components is opposite from that in the two trailing components. In view that the leading theoretical model for pulsar sub-pulse drifting can only interpret one-direction sub-pulse drifting, the observed \"bi-drifting\" phenomenon from PSR J0815+09 poses a great challenge to the pulsar theory. The inner annular gap (IAG), a new type of inner particle accelerator, was recently proposed to explain both $\\gamma$-ray and radio emission from pulsars. Here we show that the coexistence of the IAG and the conventional inner core gap (ICG) offers a natural interpretation to the bi-drifting phenomenon. In particular, the peculiar drifting behavior in PSR J0815+09 can be reproduced within the inverse Compton scattering (ICS) model for pulsar radio emission.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2004-10-20T14:43:58.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "phenomenon",
      "bi-drifting",
      "conventional inner core gap",
      "arecibo drift-scan searches",
      "inner particle accelerator"
    ],
    "tags": [
      "journal article"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 11,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "inspire": 662337
    }
  }
}