{
  "id": "1011.4226",
  "version": "v1",
  "published": "2010-11-18T16:45:09.000Z",
  "updated": "2010-11-18T16:45:09.000Z",
  "title": "Spiral instabilities in N-body simulations",
  "authors": [
    "J. A. Sellwood"
  ],
  "comment": "Conference article from 1989 posted so as to allow access to the full text through ADS",
  "categories": [
    "astro-ph.GA"
  ],
  "abstract": "N-body simulations of disc galaxies that display recurrent transient spiral patterns are comparatively easy to construct, but are harder to understand. In this paper, I summarise the evidence from such experiments that the spiral patterns result from a recurrent spiral instability cycle. Each wave starts as rapidly growing, small-amplitude instability caused by a deficiency of particles at a particular angular momentum. The resulting large-amplitude wave creates, through resonant scattering, the conditions needed to precipitate a new instability.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2010-11-18T16:45:09.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "n-body simulations",
      "display recurrent transient spiral patterns",
      "recurrent spiral instability cycle",
      "resulting large-amplitude wave creates",
      "spiral patterns result"
    ],
    "tags": [
      "conference paper"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 0,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "inspire": 878103
    }
  }
}