科研之友
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摘要
Using a new set of nucleon coupling constants CZ11 the properties of a proto neutron star are examined within the framework of the relativistic mean-field theory for the baryon octet system. It is found that the relative number density of Lambda, Xi(-), and Xi(0) for CZ11 are all smaller than those for GL97 and for both CZ11 and GL97, Sigma(-), Sigma(0), and Sigma(+) do not appear. It is also found that the pressure and the maximum mass for CZ11 are all smaller than those for GL97. The maximum mass for CZ11 decreases by approximately 9 percent compared with that for GL97.
