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Neutron Star Structure in a Nonlinear Realization of Chiral SU(3) Spontaneous Breaking Model |
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| Authors: | CHEN Han U Xiao-Fu |
| Abstract: | We investigate neutron star properties by constructing a chiral SU(3) spontaneous breaking Lagrangian and using relativistic mean-field approximation. The results show that π- condensate appears at some baryon densities,and hyperons ∑- and A exist in neutron star matter at high density. In this model, neutron star's maximum mass is1.12Ms with corresponding radius about 8 km. |
| Keywords: | chiral SU(3) spontaneous breaking Oppenheimer-Volkoff equations |
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