A dynamical, confining model and hot quark stars

Details A dynamical, confining model and hot quark stars A dynamical, confining model and hot quark stars

1998-01-28

arxiv.org/abs/nucl-th/9801060v2

Phys.Lett.B450:207-214,1999

Physics

Nuclear Physics

Nuclear Theory

13 pages, 5 figures, epsfig.sty, elsart.sty. Shortened version to appear in Phys. Lett. B, qualitatively unmodified

Scientific paper

10.1016/S0370-2693(99)00007-6

We explore the consequences of an equation of state (EOS) obtained in a confining Dyson-Schwinger equation model of QCD for the structure and stability of nonstrange quark stars at finite-T, and compare the results with those obtained using a bag-model EOS. Both models support a temperature profile that varies over the star's volume and the consequences of this are model independent. However, in our model the analogue of the bag pressure is (T,mu)-dependent, which is not the case in the bag model. This is a significant qualitative difference and comparing the results effects a primary goal of elucidating the sensitivity of quark star properties to the form of the EOS.

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