Equations of state of dense matter for neutron-star modelling and inference

The equation of state (EoS) is a needed input for neutron-star (NS) modelling allowing one to connect microphysics inputs with global NS properties. In this contribution, we briefly present the EoS modelling for NSs, particularly focusing on a meta-model-based approach, and discuss the importance of a consistent and unified approach. We show that employing a fixed but inconsistent model for the lower density region causes (small) errors and underestimates the uncertainties in the estimation of global NS properties. This confirms our previous findings and underlines the relevance of a consistent approach in NS modelling and inference.

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Publication Details

Published
2025-02-07
DOI
https://doi.org/10.22323/1.465.0153
Primary Topic
Geological and Geophysical Studies
Type
article
Field-Weighted Citation Impact
0.00

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article

Equations of state of dense matter for neutron-star modelling and inference

F. Gulminelli, A. F. Fantina
Geological and Geophysical Studies
article

Equations of state of dense matter for neutron-star modelling and inference

F. Gulminelli, A. F. Fantina
article en

Abstract

The equation of state (EoS) is a needed input for neutron-star (NS) modelling allowing one to connect microphysics inputs with global NS properties. In this contribution, we briefly present the EoS modelling for NSs, particularly focusing on a meta-model-based approach, and discuss the importance of a consistent and unified approach. We show that employing a fixed but inconsistent model for the lower density region causes (small) errors and underestimates the uncertainties in the estimation of global NS properties. This confirms our previous findings and underlines the relevance of a consistent approach in NS modelling and inference.

Centre National de la Recherche Scientifique, Institut National de Physique Nucléaire et de Physique des Particules
Openalex Percentile: Top 98%
Geological and Geophysical Studies
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