Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980ap%26ss..73..333b&link_type=abstract
Astrophysics and Space Science, vol. 73, no. 2, Dec. 1980, p. 333-336.
Astronomy and Astrophysics
Astrophysics
Bimetric Theories, Neutron Stars, Stellar Gravitation, Stellar Mass, Stellar Models, Systems Stability, Neutrinos, Quarks, Relativity, Stellar Oscillations, Stellar Radiation
Scientific paper
The stability of equilibrium models of superdense stars within the framework of the Rosen bimetric theory of gravitation is examined. The dependence of stellar gravitational mass on total baryon number is calculated and those models with a maximum mass defect at a given total baryon number, which are apparently stable, are determined for neutron stars and stars with quark matter in the core. It is found that all the quark stars examined with masses from 1.11 to 27 solar masses and densities from 1.84 to 224 times the critical density in the center of the star may be stable, even if their masses do not exceed the maximum mass for neutron stars.
Balek Vladimir
Chubarian E. V.
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