{
  "id": "0906.3508",
  "version": "v1",
  "published": "2009-06-18T19:10:54.000Z",
  "updated": "2009-06-18T19:10:54.000Z",
  "title": "Extended Skyrme interaction (II): ground state of nuclei and of nuclear matter",
  "authors": [
    "Jérôme Margueron",
    "Stéphane Goriely",
    "Marcella Grasso",
    "Gianluca Colo",
    "Hiroyuki Sagawa"
  ],
  "comment": "18 pages, 4 tables, 6 figures",
  "categories": [
    "nucl-th"
  ],
  "abstract": "We study the effect of time-odd components of the Skyrme energy density functionals on the ground state of finite nuclei and in nuclear matter. The spin-density dependent terms, which have been recently proposed as an extension of the standard Skyrme interaction, are shown to change the total binding energy of odd-nuclei by only few tenths of keV, while the time-odd components of standard Skyrme interactions give an effect that is larger by one order of magnitude. The HFB-17 mass formula based on a Skyrme parametrization is adjusted including the new spin-density dependent terms. A comprehensive study of binding energies in the whole mass table of 2149 nuclei gives a root mean square (rms) deviation of 0.575 MeV between experimental data and the calculated results, which is slightly better than the original HFB-17 mass formula. From the analysis of the spin instabilities of nuclear matter, restrictions on the parameters governing the spin-density dependent terms are evaluated. We conclude that with the extended Skyrme interaction, the Landau parameters $G_0$ and $G_0^\\prime$ could be tuned with a large flexibility without changing the ground-state properties in nuclei and in nuclear matter.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2009-06-18T19:10:54.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "21.10.Dr",
      "21.30.Fe",
      "26.60.-c",
      "21.65.-f"
    ],
    "keywords": [
      "extended skyrme interaction",
      "nuclear matter",
      "ground state",
      "spin-density dependent terms",
      "standard skyrme interaction"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "doi": "10.1088/0954-3899/36/12/125103",
      "journal": "Journal of Physics G Nuclear Physics",
      "year": 2009,
      "month": "Dec",
      "volume": 36,
      "number": 12,
      "pages": 125103
    },
    "note": {
      "typesetting": "TeX",
      "pages": 18,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "inspire": 823579,
      "adsabs": "2009JPhG...36l5103M"
    }
  }
}