Skyrmion Stars: Astrophysical Motivations and Implications

  title={Skyrmion Stars: Astrophysical Motivations and Implications},
  author={Prashanth Jaikumar and Rachid Ouyed},
  journal={The Astrophysical Journal},
We study mass-radius relations for compact stars employing an equation of state (EOS) of dense matter based on a Skyrme fluid. The zero-temperature mean-field model is based on mesonic excitations, incorporates the scale breaking of QCD, and accommodates baryons (nucleons) that arise as a solitonic configuration of mesonic fields. Stable configurations are obtained for central densities ρc/ρn ≤ 5.0, where ρn = 2.575 × 1014 g cm-3 is the nuclear saturation density. These "skyrmion stars" are… 

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