Unified description of dense matter in neutron stars and magnetars
N. Chamel, R. L. Pavlov, L. M. Mihailov, Ch. J. Velchev, Zh. K., Stoyanov, Y. D. Mutafchieva, M. D. Ivanovich, A. F. Fantina, J. M. Pearson,, S. Goriely
TL;DR
This paper presents a unified set of equations of state for neutron stars and magnetars, based on nuclear energy density functional theory, fitting experimental data and neutron-matter calculations.
Contribution
It introduces a new unified description of dense matter in neutron stars and magnetars using generalized Skyrme interactions constrained by experimental and theoretical data.
Findings
Provides equations of state fitting atomic mass data
Reproduces neutron-matter equation of state from many-body calculations
Offers a comprehensive model for neutron star interiors
Abstract
We have recently developed a set of equations of state based on the nuclear energy density functional theory providing a unified description of the different regions constituting the interior of neutron stars and magnetars. The nuclear functionals, which were constructed from generalized Skyrme effective nucleon-nucleon interactions, yield not only an excellent fit to essentially all experimental atomic mass data but were also constrained to reproduce the neutron-matter equation of state as obtained from realistic many-body calculations.
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