{
  "id": "hep-ph/0308290",
  "version": "v3",
  "published": "2003-08-29T19:37:02.000Z",
  "updated": "2004-04-30T01:10:52.000Z",
  "title": "Holography, Entropy and Extra Dimensions",
  "authors": [
    "Deog Ki Hong",
    "Stephen D. H. Hsu"
  ],
  "comment": "9 pages, LaTeX; Clarified use of covariant bound and corrected geometry of ADD black holes. Main conclusions unchanged. To appear in PLB",
  "journal": "Phys.Lett. B591 (2004) 208-212",
  "doi": "10.1016/j.physletb.2004.04.044",
  "categories": [
    "hep-ph",
    "gr-qc",
    "hep-th"
  ],
  "abstract": "We show that higher dimensional models (brane worlds) in which the scale of quantum gravity $M_*$ is much smaller than the apparent scale $M_P \\sim 10^{19}$ GeV are in conflict with bounds arising from holography and black hole entropy. The thermodynamic entropy of astrophysical black holes and sub-horizon volumes during big bang nucleosynthesis exceed the relevant bounds unless $M_* > 10^{(4-6)}$ TeV, so a hierarchy relative to the weak scale is unavoidable. We discuss the implications for extra dimensions as well as holography.",
  "revisions": [
    {
      "version": "v3",
      "updated": "2004-04-30T01:10:52.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "extra dimensions",
      "holography",
      "black hole entropy",
      "higher dimensional models",
      "weak scale"
    ],
    "tags": [
      "journal article"
    ],
    "note": {
      "typesetting": "LaTeX",
      "pages": 9,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "inspire": 627375
    }
  }
}