{
  "id": "cond-mat/0504446",
  "version": "v4",
  "published": "2005-04-18T18:00:16.000Z",
  "updated": "2005-11-25T13:07:18.000Z",
  "title": "Scaling of Entanglement Entropy in the Random Singlet Phase",
  "authors": [
    "Nicolas Laflorencie"
  ],
  "comment": "4 pages, 3 figures",
  "journal": "Phys. Rev. B 72, 140408(R) (2005)",
  "doi": "10.1103/PhysRevB.72.140408",
  "categories": [
    "cond-mat.str-el",
    "cond-mat.dis-nn",
    "quant-ph"
  ],
  "abstract": "We present numerical evidences for the logarithmic scaling of the entanglement entropy in critical random spin chains. Very large scale exact diagonalizations performed at the critical XX point up to L=2000 spins 1/2 lead to a perfect agreement with recent real-space renormalization-group predictions of Refael and Moore [Phys. Rev. Lett. {\\bf 93}, 260602 (2004)] for the logarithmic scaling of the entanglement entropy in the Random Singlet Phase with an effective central charge ${\\tilde{c}}=c\\times \\ln 2$. Moreover we provide the first visual proof of the existence the Random Singlet Phase thanks to the quantum entanglement concept.",
  "revisions": [
    {
      "version": "v4",
      "updated": "2005-11-25T13:07:18.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "entanglement entropy",
      "random singlet phase thanks",
      "real-space renormalization-group predictions",
      "quantum entanglement concept",
      "large scale exact diagonalizations"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "publisher": "APS",
      "journal": "Phys. Rev. B"
    },
    "note": {
      "typesetting": "TeX",
      "pages": 4,
      "language": "en",
      "license": "arXiv",
      "status": "editable"
    }
  }
}