摘要
The numerical results of the populations for the baryon octet in neutron star matter have been presented by solving a set transcendental equations in the framework of the relativistic mean field approximation. The influence of the hyperon interactions on hyperon populations in neutron star matter is discussed. The results manifest that when the ratio of the hyperon-to-nucleon couplings increases, all hyperons appear towards low baryon density direction.
The numerical results of the populations for the baryon octet in neutron star matter have been presented by solving a set transcendental equations in the framework of the relativistic mean field approximation. The influence of the hyperon interactions on hyperon populations in neutron star matter is discussed. The results manifest that when the ratio of the hyperon-to-nucleon couplings increases, all hyperons appear towards low baryon density direction.
基金
The project supported by National Natural Science Foundation of China under Grant Nos.10047001 and 10275029
the State Key Basic Research Development Program under Grant No.G2000-0774-07
the CAS Knowledge Innovation Project under Contract No.KJCX2-SW-N02
关键词
中子星物质
重子密度
超子相互作用
相对论场
超子数量
neutron star matter
relativistic mean field
hyperon population
hyperon coupling constant
