Strange quark stars

Details Strange quark stars Strange quark stars

May 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...160..121h&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 160, no. 1, May 1986, p. 121-128.

Astronomy and Astrophysics

Astrophysics

342

Neutron Stars, Quarks, Stellar Models, Nuclear Fusion, Stellar Envelopes, Stellar Mass, Stellar Mass Accretion

Scientific paper

The possible consequences, for neutron stars, of the existence of self-bound or slightly unbound strange quark matter are studied. For the considered models of quark matter, massive neutron stars might exist in the form of strange quark stars with a superdense quark surface or quark stars with a thin nucleon envelope, with stellar parameters similar to those of normal neutron stars. The stability of strange quark stars is due to the long range effects of confinement of quarks, represented by the bag constant. For a standard choice of the bag constant the parameters of the configuration with maximum mass are similar to those for normal neutron stars, but depend on the assumed value of this constant. Accretion of plasma onto the strange quark star leads to an additional release of the energy due to the exothermic fusion reaction of the quark bag of infalling nucleons with the stellar bag.

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