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    "updated": "2018-04-12T19:19:52Z", 
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  "record_creation_date": "2016-01-26T00:00:00", 
  "authors": [
    {
      "raw_name": "Germ\u00e1n, Gabriel", 
      "affiliations": [
        {
          "country": "Mexico", 
          "value": "Instituto de Ciencias F\u00edsicas, Universidad Nacional Aut\u00f3noma de M\u00e9xico, Apartado Postal 48-3, 62251, Cuernavaca, Morelos, M\u00e9xico"
        }
      ], 
      "surname": "Germ\u00e1n", 
      "given_names": "Gabriel", 
      "full_name": "Germ\u00e1n, Gabriel"
    }, 
    {
      "raw_name": "Herrera-Aguilar, Alfredo", 
      "affiliations": [
        {
          "country": "Tanzania", 
          "value": "Instituto de F\u00edsica y Matem\u00e1ticas, Universidad Michoacana de San Nicol\u00e1s de Hidalgo, Ciudad Universitaria, CP 58040, Morelia, Michoac\u00e1n, M\u00e9xico"
        }, 
        {
          "country": "Mexico", 
          "value": "Instituto de F\u00edsica, Benem\u00e9rita Universidad Aut\u00f3noma de Puebla, Apartado Postal J-48, 72570, Puebla, Puebla, M\u00e9xico"
        }
      ], 
      "surname": "Herrera-Aguilar", 
      "given_names": "Alfredo", 
      "full_name": "Herrera-Aguilar, Alfredo"
    }, 
    {
      "raw_name": "Kuerten, Andr\u00e9 Martorano", 
      "affiliations": [
        {
          "country": "Brazil", 
          "value": "Centro de Ci\u00eancias Naturais e Humanas, Universidade Federal do ABC (UFABC), Avenida dos Estados, 5001, Santo Andr\u00e9, SP, Brazil"
        }, 
        {
          "country": "Mexico", 
          "value": "Instituto de Ciencias F\u00edsicas, Universidad Nacional Aut\u00f3noma de M\u00e9xico, Apartado Postal 48-3, 62251, Cuernavaca, Morelos, M\u00e9xico"
        }
      ], 
      "surname": "Kuerten", 
      "given_names": "Andr\u00e9 Martorano", 
      "full_name": "Kuerten, Andr\u00e9 Martorano"
    }, 
    {
      "raw_name": "Malag\u00f3n-Morej\u00f3n, Dagoberto", 
      "affiliations": [
        {
          "country": "Mexico", 
          "value": "Instituto de Ciencias F\u00edsicas, Universidad Nacional Aut\u00f3noma de M\u00e9xico, Apartado Postal 48-3, 62251, Cuernavaca, Morelos, M\u00e9xico"
        }
      ], 
      "surname": "Malag\u00f3n-Morej\u00f3n", 
      "given_names": "Dagoberto", 
      "full_name": "Malag\u00f3n-Morej\u00f3n, Dagoberto"
    }, 
    {
      "raw_name": "Rocha, Rold\u00e3o da", 
      "affiliations": [
        {
          "country": "Brazil", 
          "value": "Centro de Matem\u00e1tica, Computa\u00e7\u00e3o e Cogni\u00e7\u00e3o, Universidade Federal do ABC (UFABC), Avenida dos Estados, 5001, Santo Andr\u00e9, SP, Brazil"
        }
      ], 
      "surname": "Rocha", 
      "given_names": "Rold\u00e3o da", 
      "full_name": "Rocha, Rold\u00e3o da"
    }
  ], 
  "titles": [
    {
      "source": "Institute of Physics Publishing/SISSA", 
      "title": "Stability of a tachyon braneworld"
    }
  ], 
  "arxiv_eprints": [
    {
      "categories": [
        "hep-th", 
        "gr-qc", 
        "math-ph", 
        "math.MP"
      ], 
      "value": "1508.03867"
    }
  ], 
  "publication_info": [
    {
      "journal_title": "Journal of Cosmology and Astroparticle Physics", 
      "page_start": "047", 
      "material": "article", 
      "journal_issue": "01", 
      "year": 2016
    }
  ], 
  "$schema": "http://repo.scoap3.org/schemas/hep.json", 
  "abstracts": [
    {
      "source": "Institute of Physics Publishing/SISSA", 
      "value": "Within the braneworld paradigm the tachyonic scalar field has been used to generate models that attempt to solve some of the open problems that physics faces nowadays, both in cosmology and high energy physics as well. When these field configurations are produced by the interplay of higher dimensional warped gravity with some matter content, braneworld models must prove to be stable under the whole set of small fluctuations of the gravitational and matter fields background, among other consistency tests. Here we present a complete proof of the stability under scalar perturbations of tachyonic thick braneworlds with an embedded maximally symmetric 4D space-time, revealing its physical consistency. This family of models contains a recently reported tachyonic de Sitter thick braneworld which possesses a series of appealing properties. These features encompass complete regularity, asymptotic flatness (instead of being asymptotically dS or AdS) even when it contains a negative bulk cosmological constant, a relevant 3-brane with dS metric which naturally arises from the full set of field equations of the 5D background (it is not imposed), qualitatively describing the inflationary epochs of our Universe, and a graviton spectrum with a single zero mode bound state that accounts for the 4D graviton localised on the brane and is separated from the continuum of Kaluza-Klein massive graviton excitations by a mass gap. The presence of this mass gap in the graviton spectrum makes the extra-dimensional corrections to Newton's law decay exponentially. Gauge vector fields with a single massless bound state in its mass spectrum are also localised on this braneworld model a fact that allows us to recover the Coulomb's law of our 4D world. All these properties of the above referred tachyonic braneworld together with the positive stability analysis provided in this work, constitute a firm step towards the construction of realistic cosmological models within the braneworld paradigm."
    }
  ], 
  "imprints": [
    {
      "date": "2016-01-26", 
      "publisher": "Institute of Physics Publishing/SISSA"
    }
  ]
}