# Are nuclear matter properties correlated to neutron star observables ?

**Authors:** Jin-Biao Wei (1), Jia-Jing Lu (2), G. F. Burgio (1), Z. H. Li (2), and, H.-J. Schulze (1) ((1) INFN Sezione di Catania, (2) Fudan University,, Shanghai)

arXiv: 1907.08761 · 2020-02-27

## TL;DR

This paper explores the relationship between nuclear matter properties and neutron star observables, finding strong correlations with certain star characteristics but not with nuclear saturation properties.

## Contribution

It demonstrates that neutron star radius and tidal deformability are strongly correlated with the pressure of beta-stable matter using microscopic equations of state.

## Key findings

- Strong correlation between neutron star radius and pressure of beta-stable matter
- Strong correlation between tidal deformability and pressure of beta-stable matter
- No correlation between nuclear saturation properties and neutron star observables

## Abstract

We investigate properties of nuclear matter and examine possible correlations with neutron star observables for a set of microscopic nuclear equations of state derived within the Brueckner-Hartree-Fock formalism employing compatible three-body forces. We find good candidates for a realistic nuclear EOS up to high density and confirm strong correlations between neutron star radius, tidal deformability, and the pressure of betastable matter. No correlations are found with the saturation properties of nuclear matter.

## Full text

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## Figures

5 figures with captions in the complete paper: https://tomesphere.com/paper/1907.08761/full.md

## References

103 references — full list in the complete paper: https://tomesphere.com/paper/1907.08761/full.md

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Source: https://tomesphere.com/paper/1907.08761