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  "authors": [
    {
      "affiliations": [
        {
          "country": "Colombia", 
          "value": "Escuela de F\u00edsica, Universidad Industrial de Santander, Bucaramanga, 680002, Colombia", 
          "organization": "Universidad Industrial de Santander"
        }
      ], 
      "surname": "Su\u00e1rez-Urango", 
      "email": "danielfsu@hotmail.com", 
      "full_name": "Su\u00e1rez-Urango, Daniel", 
      "given_names": "Daniel"
    }, 
    {
      "affiliations": [
        {
          "country": "Colombia", 
          "value": "Escuela de F\u00edsica, Universidad Industrial de Santander, Bucaramanga, 680002, Colombia", 
          "organization": "Universidad Industrial de Santander"
        }
      ], 
      "surname": "Becerra", 
      "email": "laura.marcela.becerra@gmail.com", 
      "full_name": "Becerra, Laura", 
      "given_names": "Laura"
    }, 
    {
      "affiliations": [
        {
          "country": "Spain", 
          "value": "Departamento de Matem\u00e1tica Aplicada and Instituto Universitario de F\u00edsica Fundamental y Matem\u00e1ticas, Universidad de Salamanca, Salamanca, Spain", 
          "organization": "Universidad de Salamanca"
        }
      ], 
      "surname": "Ospino", 
      "email": "j.ospino@usal.es", 
      "full_name": "Ospino, Justo", 
      "given_names": "Justo"
    }, 
    {
      "affiliations": [
        {
          "country": "Colombia", 
          "value": "Escuela de F\u00edsica, Universidad Industrial de Santander, Bucaramanga, 680002, Colombia", 
          "organization": "Universidad Industrial de Santander"
        }, 
        {
          "country": "Venezuela", 
          "value": "Departamento de F\u00edsica, Universidad de Los Andes, M\u00e9rida, 5101, Venezuela", 
          "organization": "Universidad de Los Andes"
        }
      ], 
      "surname": "N\u00fa\u00f1ez", 
      "email": "lnunez@uis.edu.co", 
      "full_name": "N\u00fa\u00f1ez, Luis", 
      "given_names": "Luis"
    }
  ], 
  "titles": [
    {
      "source": "Springer", 
      "title": "The physical acceptability conditions and the strategies to obtain anisotropic compact objects"
    }
  ], 
  "dois": [
    {
      "value": "10.1140/epjc/s10052-023-12175-6"
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  "publication_info": [
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      "page_end": "13", 
      "journal_title": "European Physical Journal C", 
      "material": "article", 
      "journal_volume": "83", 
      "artid": "s10052-023-12175-6", 
      "year": 2023, 
      "page_start": "1", 
      "journal_issue": "11"
    }
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    "source": "Springer", 
    "method": "Springer", 
    "submission_number": "202ab3aaeb2111eeae4696b6a0e1ccbd"
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  "page_nr": [
    13
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  "license": [
    {
      "url": "https://creativecommons.org/licenses//by/4.0", 
      "license": "CC-BY-4.0"
    }
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  "copyright": [
    {
      "holder": "The Author(s)", 
      "year": "2023"
    }
  ], 
  "control_number": "81368", 
  "record_creation_date": "2023-11-10T15:30:27.092205", 
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  "abstracts": [
    {
      "source": "Springer", 
      "value": "We studied five methods to include anisotropy, or unequal stress distributions, in general relativistic matter configurations. We used nine acceptability conditions that the metric and physical variables must meet to determine if our models were astrophysically viable. Our analysis found the most effective way to introduce anisotropy while keeping a simple density profile. We also found a practical \u201crule of thumb\u201d that relates the density at the boundary to the density at the centre of relativistic matter distributions. Additionally, we calculated the configuration radius and encountered that values observed by NICER for PSR J0740+6620 are consistent with several acceptable matter configurations, both isotropic and anisotropic."
    }
  ], 
  "imprints": [
    {
      "date": "2023-11-09", 
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