Δ excitation and its influences on neutron stars in relativistic mean field theory

Details Δ excitation and its influences on neutron stars in relativistic mean field theory Δ excitation and its influences on neutron stars in relativistic mean field theory

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003phrvc..67c8801x&link_type=abstract

Physical Review C, vol. 67, Issue 3, id. 038801

Physics

5

Nuclear Matter, Nuclear Matter Aspects Of Neutron Stars, Neutron Stars

Scientific paper

The relativistic mean field models with the different parameter sets are extended to investigate the properties of Δ-excited nuclear matter. The calculated results show that the critical densities for the Δ-excited nuclear matter predicted in a chiral hadronic model are larger than those obtained in the nonlinear Walecka model with the parameter sets Tm1 and NL1. The inclusion of the Δ leads to the decrease in the maximum mass of neutron stars in a chiral hadronic model, while the opposite behavior is shown in the nonlinear Walecka model.

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