Mass, Radius And Moment Of Inertia Of Neutron Stars

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Scientific paper

We formulate and integrate numerically the set of self-consistent ground-state equilibrium equations for neutron stars taking into account quantum statistics, electro-weak and strong interactions within the framework of general relativity. The strong interaction between nucleons in the neutron star core is modeled through the sigma-omega-rho meson exchange in the context of the extended Walecka approach. This solution differs from the traditional one in that the global charge neutrality is imposed as contrasted to the local charge neutrality. The electrodynamical structure in the interface between the core and the crust is examined and the presence of overcritical electric fields inferred. Specific examples of equilibrium configuration are given fulfilling the Einstein-Maxwell-Thomas-Fermi equations with the boundary conditions implying a precise eigenvalue problem. Applications to pulsar theory with their own consequences are showed.

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