Quark stars with 'realistic' equations of state

Details Quark stars with 'realistic' equations of state Quark stars with 'realistic' equations of state

Jul 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978natur.274..347f&link_type=abstract

Nature, vol. 274, July 27, 1978, p. 347-349.

Astronomy and Astrophysics

Astronomy

48

Black Holes (Astronomy), Neutron Stars, Quarks, Stellar Models, Equations Of State, Graphs (Charts), Moments Of Inertia, Particle Interactions, Phase Transformations, Red Shift, Stellar Mass, Stellar Structure

Scientific paper

An investigation is conducted of the properties of collapsed stars in the context of a class of quark-matter models that has recently been proposed by Freedman and McLerran (1977, 1978) and Baluni (1978). The models, which are consistent with all experimental nuclear and high-energy physics data, are based on a quantum chromodynamic treatment of quarks that are assumed to be of low mass. It is found that stable quark stars are possible. However, it is also concluded that such stars need not have significantly different macroscopic properties from those of neutron-star models based on conventional nuclear-matter equations of state. The quark-matter models used contain two parameters. One parameter describes the strength of the quark-quark interaction. The other is essentially an undetermined positive constant in the thermodynamic potential.

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