Dynamical instabilities for model with point-coupling interactions: Vlasov formalism method

TL;DR

This paper investigates how the density dependence of symmetry energy influences dynamical instabilities and phase transitions in neutron stars, using the Vlasov formalism within the RMF theory with point-coupling interactions.

Contribution

It introduces a detailed analysis of the effects of symmetry energy slope, temperature, and neutrino trapping on neutron star crust-core transitions using the Vlasov approach.

Findings

Symmetry energy slope significantly affects crust-core transition properties.

Temperature and neutrino trapping influence cluster formation and growth rates.

The study provides insights into neutron star matter stability under various conditions.

Abstract

We explore the effects of the density dependence of symmetry energy on the dynamical instabilities and crust-core phase transition in the cold and warm neutron stars in the RMF theory with point-coupling interactions using the Vlasov approach. The role of the temperature and neutrino trapping has also been considered. The distillation effect, crust-core transition density and pressure, the cluster size and growth rates have been discussed. The present work shows that the slope of symmetry energy, temperature, and neutrino trapping have obvious effects.