Nuclear physics inputs for dense-matter modelling in neutron stars. The nuclear equation of state

Abstract

In this contribution, we briefly present the equation-of-state modelling for application to neutron stars and discuss current constraints coming from nuclear physics theory and experiments. To assess the impact of model uncertainties, we employ a nucleonic meta-modelling approach and perform a Bayesian analysis to generate posterior distributions for the equation of state with filters accounting for both our present low-density nuclear physics knowledge and high-density neutron-star physics constraints. The global structure of neutron stars thus predicted is discussed in connection with recent astrophysical observations.

Comments: 6 pages, 4 figures. Contribution to the proceedings of the 28th International Nuclear Physics Conference (INPC 2022)