{
  "id": "cond-mat/9911317",
  "version": "v1",
  "published": "1999-11-19T18:34:05.000Z",
  "updated": "1999-11-19T18:34:05.000Z",
  "title": "Chaotic dynamics and superdiffusion in a Hamiltonian system with many degrees of freedom",
  "authors": [
    "V. Latora",
    "A. Rapisarda",
    "S. Ruffo"
  ],
  "comment": "7 pages, Latex, 6 figures included, Contributed paper to the Int. Conf. on \"Statistical Mechanics and Strongly Correlated System\", 2nd Giovanni Paladin Memorial, Rome 27-29 September 1999, submitted to Physica A",
  "journal": "Physica A 280 (2000) 81",
  "doi": "10.1016/S0378-4371(99)00621-4",
  "categories": [
    "cond-mat.stat-mech",
    "chao-dyn",
    "nlin.CD"
  ],
  "abstract": "We discuss recent results obtained for the Hamiltonian Mean Field model. The model describes a system of N fully-coupled particles in one dimension and shows a second-order phase transition from a clustered phase to a homogeneous one when the energy is increased. Strong chaos is found in correspondence to the critical point on top of a weak chaotic regime which characterizes the motion at low energies. For a small region around the critical point, we find anomalous (enhanced) diffusion and L\\'evy walks in a transient temporal regime before the system relaxes to equilibrium.",
  "revisions": [
    {
      "version": "v1",
      "updated": "1999-11-19T18:34:05.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "hamiltonian system",
      "chaotic dynamics",
      "hamiltonian mean field model",
      "superdiffusion",
      "second-order phase transition"
    ],
    "tags": [
      "journal article"
    ],
    "note": {
      "typesetting": "LaTeX",
      "pages": 7,
      "language": "en",
      "license": "arXiv",
      "status": "editable"
    }
  }
}