Equation of state for supernova matter

TL;DR

This paper develops an equation of state for high-density supernova matter using a momentum-dependent effective interaction, analyzing thermal and isentropic effects on nuclear matter properties relevant to supernova conditions.

Contribution

It introduces a new equation of state model incorporating momentum dependence and thermal effects for supernova matter with leptons under chemical equilibrium.

Findings

Thermal effects significantly influence the equation of state.

The model accurately describes high-density, high-temperature nuclear matter.

Thermodynamic properties are characterized for isentropic conditions.

Abstract

We provide an equation of state for high density supernova matter by applying a momentum-dependent effective interaction. We focus on the study of the equation of state of high-density and high-temperature nuclear matter containing leptons (electrons and neutrinos) under the chemical equilibrium condition. Thermal effects on the properties and equation of state of nuclear matter are evaluated and analyzed in the framework of the proposed effective interaction model. Since supernova matter is characterized by a constant entropy we also present the thermodynamic properties for the isentropic case.