Early neutron stars and quark matter

Details Early neutron stars and quark matter Early neutron stars and quark matter

Mar 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988cha%26a..12....1l&link_type=abstract

Chinese Astronomy and Astrophysics, Volume 12, Issue 1, p. 1-6.

Astronomy and Astrophysics

Astrophysics

Stars: Neutron Star - Quark Matter

Scientific paper

There may exist quark matter inside early hot neutron stars. Using the general method of Baym and Chin, we evaluated the pressure and density at neutron matter - quark matter phase transition for different temperatures and compared the values for stable hot neutron stars. We found (1) that whenever the neutron star temperature exceeds (+10)K, there will be a core of quark matter; (2) that the bag constant B is the most important determining factor of the quark core size. For a given temperature, the core is the larger, the smaller B is; (3) that by the conservation of baryon number, the total energy released by a star during its cooling is about (+53) ergs.

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