Astronomy and Astrophysics – Astrophysics
Scientific paper
2008-10-20
Int.J.Mod.Phys.A21:1555-1565,2006
Astronomy and Astrophysics
Astrophysics
16 pages, 6 figures
Scientific paper
10.1142/S0217751X06028400
Using the modern equations of state derived from microscopic calculations, we have calculated the neutron star structure. For the neutron star, we have obtained a minimum mass about $0.1 {\rm M_{\odot}}$ which is nearly independent of the equation of state, and a maximum mass between $1.47 {\rm M_{\odot}}$ and $1.98 {\rm M_{\odot}}$ which is strongly dependent on the equation of state. It is shown that among the equations of state of neutron star matter which we have used, the stiffest one leads to higher maximum mass and radius and lower central density. It is seen that the given maximum mass for the Reid-93 equation of state shows a good consistency with the accurate observations of radio pulsars. We have indicated that the thickness of neutron star crust is very small compared to the predicted neutron star radius.
Bordbar Gholam Hossein
Hayati M.
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