par Perot, Loïc ;Chamel, Nicolas ;Sourie, Aurélien
Référence Physical Review C, 101, page (015806)
Publication Publié, 2020-01-29
Référence Physical Review C, 101, page (015806)
Publication Publié, 2020-01-29
Article révisé par les pairs
Résumé : | The role of the crust on the tidal deformability of a cold nonaccreted neutron star is studied using the recent unified equation of state BSk24. This equation of state, which is based on the nuclear energy-density-functional theory, provides a thermodynamically consistent description of all stellar regions. Results obtained with this equation of state are compared to those calculated for a putative neutron star made entirely of homogeneous matter. The presence of the crustal layers is thus found to significantly reduce the Love number k2, especially for low-mass stars. However, this reduction mainly arises from the increase in the stellar radius almost independently of the equation of state. This allows for a simple analytic estimate of k2 for realistic neutron stars using the equation of state of homogeneous matter only. |