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{
  "abstracts": [
    {
      "content": "We study the averaged action of the Randall-Sundrum model with a time\ndependent metric ansatz. It can be reformulated in terms of a Brans-Dicke\naction with time dependent Newton's constant. We show that the physics of early\nuniverse, particularly inflation, is governed by the Brans-Dicke theory. The\nBrans-Dicke scalar, however, quickly settles to its equilibrium value and\ndecouples from the post-inflationary cosmology. The deceleration parameter is\nnegative to start with but changes sign before the Brans-Dicke scalar settles\nto its equilibrium value. Consequently, the brane metric smoothly exits\ninflation. We have also studied the slow-roll inflation in our model and\ninvestigated the spectra of the density perturbation generated by the radion\nfield and find them consistent with the current observations.",
      "lang": "en",
      "mimetype": "text/plain",
      "sha1": "0e6dbe8423cb4402dece4bc7f99ef48f8a27fad7"
    }
  ],
  "contribs": [
    {
      "index": 0,
      "raw_name": "Somdatta Bhattacharya",
      "role": "author"
    },
    {
      "index": 1,
      "raw_name": "Debajyoti Choudhury",
      "role": "author"
    },
    {
      "index": 2,
      "raw_name": "Dileep P. Jatkar",
      "role": "author"
    },
    {
      "index": 3,
      "raw_name": "Anjan\n  Ananda Sen",
      "role": "author"
    }
  ],
  "ext_ids": {
    "arxiv": "hep-th/0103248v4"
  },
  "extra": {
    "arxiv": {
      "base_id": "hep-th/0103248",
      "categories": [
        "hep-th",
        "gr-qc",
        "hep-ph"
      ],
      "comments": "Revised version, Accepted in Class. Quant. Gravity",
      "journal_ref": "Class.Quant.Grav. 19 (2002) 5025-5038"
    }
  },
  "ident": "ydx2wolhvffxnb6as6gekmocx4",
  "language": "en",
  "refs": [],
  "release_date": "2002-09-11",
  "release_stage": "accepted",
  "release_type": "article",
  "release_year": 2002,
  "revision": "c9c05398-024f-4022-8913-9157f03424d4",
  "state": "active",
  "title": "Brane Dynamics in the Randall-Sundrum model, Inflation and Graceful Exit",
  "version": "v4",
  "work_id": "b7lr2ma3hjgcba4kqb3vng2br4"
}