{
  "id": "1111.3666",
  "version": "v1",
  "published": "2011-11-15T21:42:15.000Z",
  "updated": "2011-11-15T21:42:15.000Z",
  "title": "Critical exponents of the disorder-driven superfluid-insulator transition in one-dimensional Bose-Einstein condensates",
  "authors": [
    "J. C. C. Cestari",
    "A. Foerster",
    "M. A. Gusmão",
    "M. Continentino"
  ],
  "comment": "5 pages, 4 figures",
  "journal": "Phys. Rev. A 84, 055601 (2011)",
  "doi": "10.1103/PhysRevA.84.055601",
  "categories": [
    "cond-mat.stat-mech",
    "cond-mat.quant-gas"
  ],
  "abstract": "We investigate the nature of the superfluid-insulator quantum phase transition driven by disorder for non-interacting ultracold atoms on one-dimensional lattices. We consider two different cases: Anderson-type disorder, with local energies randomly distributed, and pseudo-disorder due to a potential incommensurate with the lattice, which is usually called the Aubry-Andr\\'e model. A scaling analysis of numerical data for the superfluid fraction for different lattice sizes allows us to determine quantum critical exponents characterizing the disorder-driven superfluid-insulator transition. We also briefly discuss the effect of interactions close to the non-interacting quantum critical point of the Aubry-Andr\\'e model.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2011-11-15T21:42:15.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "67.85.Hj",
      "64.60.an",
      "64.70.Tg"
    ],
    "keywords": [
      "disorder-driven superfluid-insulator transition",
      "one-dimensional bose-einstein condensates",
      "superfluid-insulator quantum phase transition driven",
      "quantum critical exponents characterizing"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "publisher": "APS",
      "journal": "Physical Review A",
      "year": 2011,
      "month": "Nov",
      "volume": 84,
      "number": 5,
      "pages": "055601"
    },
    "note": {
      "typesetting": "TeX",
      "pages": 5,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2011PhRvA..84e5601C"
    }
  }
}