{
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  "authors": [
    {
      "raw_name": "del Campo, Sergio", 
      "affiliations": [
        {
          "country": "Chile", 
          "value": "Instituto de F\u00edsica, Pontificia Universidad Cat\u00f3lica de Valpara\u00edso, 0000 0001 1537 5962, Avenida Brasil 2950, Casilla 4059, Valparaiso, Chile"
        }
      ], 
      "surname": "del Campo", 
      "given_names": "Sergio", 
      "full_name": "del Campo, Sergio"
    }, 
    {
      "raw_name": "Fabris, J\u00falio C.", 
      "affiliations": [
        {
          "country": "Russia", 
          "value": "National Research Nuclear University \u201cMEPhI\u201d, 0000 0000 8868 5198, Kashirskoe sh. 31, 115409, Moscow, Russia"
        }, 
        {
          "country": "Brazil", 
          "value": "Departamento de F\u00edsica, Universidade Federal do Esp\u00edrito Santo, 0000 0001 2167 4168, Av. Fernando Ferrari, 514, Campus de Goiabeiras, CEP 29075-910, Vit\u00f3ria, Esp\u00edrito Santo, Brazil"
        }
      ], 
      "surname": "Fabris", 
      "given_names": "J\u00falio C.", 
      "full_name": "Fabris, J\u00falio C."
    }, 
    {
      "raw_name": "Herrera, Ram\u00f3n", 
      "affiliations": [
        {
          "country": "Chile", 
          "value": "Instituto de F\u00edsica, Pontificia Universidad Cat\u00f3lica de Valpara\u00edso, 0000 0001 1537 5962, Avenida Brasil 2950, Casilla 4059, Valparaiso, Chile"
        }
      ], 
      "surname": "Herrera", 
      "given_names": "Ram\u00f3n", 
      "full_name": "Herrera, Ram\u00f3n"
    }, 
    {
      "raw_name": "Zimdahl, Winfried", 
      "affiliations": [
        {
          "country": "Brazil", 
          "value": "Departamento de F\u00edsica, Universidade Federal do Esp\u00edrito Santo, 0000 0001 2167 4168, Av. Fernando Ferrari, 514, Campus de Goiabeiras, CEP 29075-910, Vit\u00f3ria, Esp\u00edrito Santo, Brazil"
        }
      ], 
      "surname": "Zimdahl", 
      "given_names": "Winfried", 
      "full_name": "Zimdahl, Winfried"
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  "record_creation_date": "2017-07-18T00:00:00", 
  "titles": [
    {
      "source": "Springer/Societ\u00e0 Italiana di Fisica", 
      "title": "Is the cosmological dark sector better modeled by a generalized Chaplygin gas or by a scalar field?"
    }
  ], 
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    {
      "value": "10.1140/epjc/s10052-017-5051-y"
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  "publication_info": [
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      "journal_title": "European Physical Journal C", 
      "page_start": "479", 
      "material": "article", 
      "journal_issue": "7", 
      "year": 2017
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  "abstracts": [
    {
      "source": "Springer/SIF", 
      "value": "Both scalar fields and (generalized) Chaplygin gases have been widely used separately to characterize the dark sector of the universe. Here we investigate the cosmological background dynamics for a mixture of both these components and quantify the fractional abundances that are admitted by observational data from supernovae of type Ia and from the evolution of the Hubble rate. Moreover, we study how the growth rate of (baryonic) matter perturbations is affected by the dark-sector perturbations."
    }
  ], 
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    {
      "date": "2017-07-18", 
      "publisher": "Springer/Societ\u00e0 Italiana di Fisica"
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