Mass, radius, and moment of inertia for hypothetical quark stars

Details Mass, radius, and moment of inertia for hypothetical quark stars Mass, radius, and moment of inertia for hypothetical quark stars

Mar 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...243..412o&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 243, no. 2, March 1991, p. 412-418. NAF-supported research.

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Computational Astrophysics, Moments Of Inertia, Neutron Stars, Nuclear Astrophysics, Quarks, Stellar Mass, Fermi Surfaces, Gravitational Effects, Quantum Chromodynamics, Stellar Physics

Scientific paper

Three models of astrophysical quark matter are examined. Assuming the validity of Einstein's theory of gravitation, the total mass, radius, and moment of inertia are calculated for quark stars. The surface gravitational redshift are also calculated. In the noninteracting Fermi gas model, earlier results for the mass are reproduced, and radii of the order of 10 m are found. The model gives values like those obtained for neutron stars for mass, radius, and moment of inertia for an input quark mass of 400 MeV/sq c. Some comparisons with the extended bag model for strange stars are made, and possible differences between quark stars and neutron stars are discussed.

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