Strange hadronic stars in relativistic mean-field theory with the FSUGold parameter set

Details Strange hadronic stars in relativistic mean-field theory with the FSUGold parameter set Strange hadronic stars in relativistic mean-field theory with the FSUGold parameter set

Feb 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011phrvc..83b5805w&link_type=abstract

Physical Review C, vol. 83, Issue 2, id. 025805

Physics

1

Forces In Hadronic Systems And Effective Interactions, Nuclear Matter Aspects Of Neutron Stars, Many-Body Theory

Scientific paper

Relativistic mean-field theory with parameter set FSUGold that includes the isoscalar-isovector cross interaction term is extended to study the properties of neutron star matter in β equilibrium by including hyperons. The influence of the attractive and repulsive Σ potential on the properties of neutron star matter and the maximum mass of neutron stars is examined. We also investigate the equations of state for pure neutron matter and for nonstrange hadronic matter for comparison. For a pure neutron star, the maximum mass is about 1.8Msun, while for a strange (nonstrange) hadronic star in β equilibrium, the maximum mass is around 1.35Msun (1.7Msun).

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