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  "authors": [
    {
      "surname": "Li", 
      "given_names": "Jia Jie", 
      "affiliations": [
        {
          "country": "China", 
          "value": "School of Physical Science and Technology, Southwest University, Chongqing, China"
        }, 
        {
          "country": "China", 
          "value": "Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China"
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        {
          "country": "Germany", 
          "value": "Institute for Theoretical Physics, J. W. Goethe University, Frankfurt am Main, Germany"
        }
      ], 
      "full_name": "Li, Jia Jie", 
      "orcid": "0000-0001-8635-3939", 
      "email": "jiajieli@itp.uni-frankfurt.de"
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    {
      "surname": "Sedrakian", 
      "given_names": "Armen", 
      "affiliations": [
        {
          "country": "Germany", 
          "value": "Frankfurt Institute for Advanced Studies, Frankfurt am Main, Germany"
        }, 
        {
          "country": "Poland", 
          "value": "Institute of Theoretical Physics, University of Wroclaw, Wroclaw, Poland"
        }
      ], 
      "full_name": "Sedrakian, Armen", 
      "orcid": "0000-0001-9626-2643", 
      "email": "sedrakian@fias.uni-frankfurt.de"
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    {
      "surname": "Weber", 
      "given_names": "Fridolin", 
      "affiliations": [
        {
          "country": "USA", 
          "value": "Department of Physics, San Diego State University, San Diego, USA"
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        {
          "country": "USA", 
          "value": "Center for Astrophysics and Space Sciences, University of California at San Diego, La Jolla, USA"
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      "full_name": "Weber, Fridolin", 
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      "email": "fweber@sdsu.edu"
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  "titles": [
    {
      "source": "Elsevier", 
      "title": "Rapidly rotating \u0394-resonance-admixed hypernuclear compact stars"
    }
  ], 
  "collections": [
    {
      "primary": "Physics Letters B"
    }
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      "journal_volume": "810 C", 
      "journal_title": "Physics Letters B", 
      "material": "article", 
      "artid": "135812", 
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      "source": "Elsevier", 
      "value": "We use a set of hadronic equations of state derived from covariant density functional theory to study the impact of their high-density behavior on the properties of rapidly rotating \u0394-resonance-admixed hyperonic compact stars. In particular, we explore systematically the effects of variations of the bulk energy isoscalar skewness, <math><msub><mrow><mi>Q</mi></mrow><mrow><mi>sat</mi></mrow></msub></math>, and the symmetry energy slope, <math><msub><mrow><mi>L</mi></mrow><mrow><mi>sym</mi></mrow></msub></math>, on the masses of rapidly rotating compact stars. With models for equation of state satisfying all the modern astrophysical constraints, excessively large gravitational masses of around <math><mn>2.5</mn><mspace width=\"0.2em\"></mspace><msub><mrow><mi>M</mi></mrow><mrow><mo>\u2299</mo></mrow></msub></math> are only obtained under three conditions: (a) strongly attractive \u0394-resonance potential in nuclear matter, (b) maximally fast (Keplerian) rotation, and (c) parameter ranges <math><msub><mrow><mi>Q</mi></mrow><mrow><mi>sat</mi></mrow></msub><mo>\u2273</mo><mn>500</mn></math> MeV and <math><msub><mrow><mi>L</mi></mrow><mrow><mi>sym</mi></mrow></msub><mo>\u2272</mo><mn>50</mn></math> MeV. These values of <math><msub><mrow><mi>Q</mi></mrow><mrow><mi>sat</mi></mrow></msub></math> and <math><msub><mrow><mi>L</mi></mrow><mrow><mi>sym</mi></mrow></msub></math> have a rather small overlap with a large sample (total of about 260) parametrizations of covariant nucleonic density functionals. The extreme nature of requirements (a)-(c) reinforces the theoretical expectation that the secondary object involved in the GW190814 event is likely to be a low-mass black hole rather than a supramassive neutron star."
    }
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