Quark core in neutron stars. II

Details Quark core in neutron stars. II Quark core in neutron stars. II

May 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981a%26a....98..390a&link_type=abstract

Astronomy and Astrophysics, vol. 98, no. 2, May 1981, p. 390-396.

Astronomy and Astrophysics

Astrophysics

12

Elementary Particle Interactions, Neutron Stars, Quantum Chromodynamics, Quarks, Stellar Mass, Equations Of State, Hartree Approximation, Stellar Gravitation

Scientific paper

A Hartree-Fock calculation of the equation of state of quark matter interacting via quantum chromodynamics is carried out in order to estimate the density of the transition from nuclear matter to quark matter. The main result is that the density is greater than the maximum central density of stable neutron stars, so that there is no quark matter in ordinary neutron stars. On the curve showing mass and the density of the transition from nuclear matter to quark matter, a secondary maximum is obtained at 10 to the 19th g/cu cm, with a mass of approximately 0.86 solar mass. This corresponds to (probably unstable) quark stars.

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