Regular Article - Theoretical Physics
SCQGP in quark stars
Department of Physics, University of Calicut, Kerala, 673635, India
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Revised: 3 March 2012
Published online: 17 April 2012
From an analogy with non-relativistic degenerate QED plasma we make an estimate of the coupling strength of QGP hypothesized to be present in compact star interiors. At densities ranging from 3ρ 0–10ρ 0 (normal nuclear density ρ 0=0.16 fm−3), quark matter is found to be strongly to intermediately coupled. The equation of state for QED plasma obtained via Pade approximation, modified to QGP, yields stable stellar sequences with maximum mass ≳2M ⊙ for B 1/4≲215 MeV.
© Springer-Verlag / Società Italiana di Fisica, 2012