Insights into Neutron Star Matter: EoS Models and Observations

Fuente: arXiv
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Main Authors: Ji, Zuhua, Chen, Jiarui, Chen, Yan
Format: Preprint
Published: 2025
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author Ji, Zuhua
Chen, Jiarui
Chen, Yan
author_facet Ji, Zuhua
Chen, Jiarui
Chen, Yan
contents The equation of state (EoS) for neutron stars is a crucial topic in astrophysics, nuclear physics, and quantum chromodynamics (QCD), influencing their structure, stability, and observable properties. This review classifies EoS models into hadronic matter, hybrid, and quark matter models, analyzing their assumptions, predictions, and constraints. While hadronic models characterize nucleonic matter, potentially including contributions from hyperons or mesons, hybrid models introduce phase transitions to quark matter, and quark models hypothesize the presence of deconfined quark matter cores or entirely quark-composed stars. By synthesizing results from recent theoretical and observational studies, this review aims to offer a comprehensive understanding of the methodologies used in constructing neutron star EoS, their implications, and future directions.
format Preprint
id arxiv_https___arxiv_org_abs_2505_05241
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Insights into Neutron Star Matter: EoS Models and Observations
Ji, Zuhua
Chen, Jiarui
Chen, Yan
Nuclear Theory
High Energy Astrophysical Phenomena
General Relativity and Quantum Cosmology
The equation of state (EoS) for neutron stars is a crucial topic in astrophysics, nuclear physics, and quantum chromodynamics (QCD), influencing their structure, stability, and observable properties. This review classifies EoS models into hadronic matter, hybrid, and quark matter models, analyzing their assumptions, predictions, and constraints. While hadronic models characterize nucleonic matter, potentially including contributions from hyperons or mesons, hybrid models introduce phase transitions to quark matter, and quark models hypothesize the presence of deconfined quark matter cores or entirely quark-composed stars. By synthesizing results from recent theoretical and observational studies, this review aims to offer a comprehensive understanding of the methodologies used in constructing neutron star EoS, their implications, and future directions.
title Insights into Neutron Star Matter: EoS Models and Observations
topic Nuclear Theory
High Energy Astrophysical Phenomena
General Relativity and Quantum Cosmology
url https://arxiv.org/abs/2505.05241