Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2009-09-18
Mon.Not.Roy.Astron.Soc. 404:L35-L39,2010
Physics
Nuclear Physics
Nuclear Theory
modified version with a slightly different Hamiltonian and parametrization of the EOS
Scientific paper
10.1111/j.1745-3933.2010.00829.x
We present results for neutron star models constructed with a new equation of state for nuclear matter at zero temperature. The ground state is computed using the Auxiliary Field Diffusion Monte Carlo (AFDMC) technique, with nucleons interacting via a semi-phenomenological Hamiltonian including a realistic two-body interaction. The effect of many-body forces is included by means of additional density-dependent terms in the Hamiltonian. In this letter we compare the properties of the resulting neutron-star models with those obtained using other nuclear Hamiltonians, focusing on the relations between mass and radius, and between the gravitational mass and the baryon number.
Fantoni Stefano
Gandolfi Stefano
Illarionov Alexei Yu.
Miller Christopher J.
Pederiva Francesco
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