{
  "id": "1103.1194",
  "version": "v1",
  "published": "2011-03-07T05:09:16.000Z",
  "updated": "2011-03-07T05:09:16.000Z",
  "title": "Magnetic Susceptibility of the Quark Condensate and Polarization from Chiral Models",
  "authors": [
    "Marco Frasca",
    "Marco Ruggieri"
  ],
  "comment": "13 pages, 4 figures",
  "journal": "Phys.Rev.D83:094024,2011",
  "doi": "10.1103/PhysRevD.83.094024",
  "categories": [
    "hep-ph",
    "hep-lat",
    "nucl-th"
  ],
  "abstract": "We compute the magnetic susceptibility of the quark condensate and the polarization of quarks at zero temperature and in a uniform magnetic background. Our theoretical framework consists of two chiral models that allow to treat self-consistently the spontaneous breaking of chiral symmetry: the linear $\\sigma-$model coupled to quarks, dubbed quark-meson model, and the Nambu-Jona-Lasinio model. We also perform analytic estimates of the same quantities within the renormalized quark-meson model, both in the regimes of weak and strong fields. Our numerical results are in agreement with the recent literature; moreover, we confirm previous Lattice findings, related to the saturation of the polarization at large fields.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2011-03-07T05:09:16.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "12.38.Aw",
      "12.38.Mh"
    ],
    "keywords": [
      "quark condensate",
      "magnetic susceptibility",
      "chiral models",
      "polarization",
      "uniform magnetic background"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "publisher": "APS",
      "journal": "Physical Review D",
      "year": 2011,
      "month": "May",
      "volume": 83,
      "number": 9,
      "pages": "094024"
    },
    "note": {
      "typesetting": "TeX",
      "pages": 13,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "inspire": 891595,
      "adsabs": "2011PhRvD..83i4024F"
    }
  }
}