Neutron Stars in a Chiral Model with Finite Temperature

Details Neutron Stars in a Chiral Model with Finite Temperature Neutron Stars in a Chiral Model with Finite Temperature

2007-08-03

arxiv.org/abs/0708.0502v2

J.Phys.G35:014060,2008

Astronomy and Astrophysics

Astrophysics

Proceeding to the conference Nuclear Physics in Astrophysics III Accepted for publication in Journal of Physics G: Nuclear and

Scientific paper

10.1088/0954-3899/35/1/014060

Neutron star matter is investigated in a hadronic chiral model approach using the lowest flavor-SU(3) multiplets for baryons and mesons. The parameters are determined to yield consistent results for saturated nuclear matter as well as for finite nuclei. The influence of baryonic resonances is discussed. The global properties of a neutron star such as its mass and radius are determined. Proto-neutron star properties are studied by taking into account trapped neutrinos, temperature and entropy effects.

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