Equation of State in Neutron Stars and Supernovae

Sumiyoshi, Kohsuke; Kojo, Toru; Furusawa, Shun

doi:10.1007/978-981-15-8818-1_104-1

Cited by 4 publications

(2 citation statements)

References 168 publications

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“…The nuclear equation of state (EOS) describes the characteristics (e.g., compressibility) and the dynamics of nuclear matter in ultradense systems such as neutron stars, core-collapse supernovae, and neutron star mergers (Oertel et al, 2017). In Sumiyoshi et al (2020), considerations of the influence of neutron-rich matter, hyperons and quark matter, and hadron-to-quark transitions in EOS studies are reviewed. Because the EOS is needed, especially for supernova simulations, at finite temperature and various lepton fractions, the results are usually presented in a tabular fashion, and many studies [e.g., Shen (2014); Shen et al (2020)] have produced, analyzed, and compared the impact of different EOS tables on neutron stars and related systems.…”

Section: Nuclear Equation Of Statementioning

confidence: 99%

Nuclear data resources and initiatives for nuclear astrophysics

Smith

2023

Front. Astron. Space Sci.

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Research into the cosmic synthesis of the elements, the evolution and explosion of stars, the nature of the early Universe, and other important topics in nuclear astrophysics are at the forefront of nuclear science. These studies are motivating laboratory measurements and theoretical calculations that, after significant investments, are pushing the boundaries of what is possible. The latest nuclear results, however, must be specially prepared before they can be used to advance our knowledge of the cosmos. This processing requires a set of resources unique to nuclear astrophysics, and an impressive collection of nuclear reaction and nuclear structure datasets, processing codes, thermonuclear reaction rate libraries, and simulation codes and services have been developed for the field. There are, however, some serious challenges to these efforts that will only worsen in the future, making it important to develop strategies and act now to ensure a sustainable future for this work. After detailing the specific data types needed for nuclear astrophysics and the available data resources, the major challenges in this work and their implications are discussed. A set of initiatives are proposed to meet those challenges along with suggested implementations and possible ways that they may advance our understanding of the Universe and strengthen the field of nuclear astrophysics.

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Section: Nuclear Equation Of Statementioning

confidence: 99%

Nuclear data resources and initiatives for nuclear astrophysics

Smith

2023

Front. Astron. Space Sci.

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“…The true nature of neutron stars remains an open question. Establishing the equation of state (EoS) of neutron stars to describe the relationship between various physical properties of the matter inside the neutron star is an active field of research [3].…”

Section: Introductionmentioning

confidence: 99%

Hyperons in neutron stars: studies of hyperon spectroscopy and the hyperon–nucleon interaction with the K-long Facility

Zachariou,

Fegan,

Watts

et al. 2024

Phil. Trans. R. Soc. A.

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Elucidating the role of strange baryons (hyperons) in neutron stars requires detailed knowledge of hyperon–nucleon interactions in the light (u,d,s) quark sector. The structure of the hyperons and their excitation spectra also directly impact, and are an input to, models of big-bang nucleosynthesis. The upcoming K-long Facility will provide a much-needed intense and clean neutral strange meson beam, from which hyperons can be produced at rates where hyperon structure, hyperon–nucleon interactions and higher-order interactions can be studied with a new level of accuracy and for hitherto unreachable measurements. The new facility has the potential to address long-standing questions surrounding the strange sector of the strong force and its relevance to the structure of atomic nuclei, neutron stars and the cosmos at large. This article is part of the theme issue ‘The liminal position of Nuclear Physics: from hadrons to neutron stars’.

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Toward a universal description of hadronic phase of QCD

Abhishek,

Sharma

2024

Phys. Rev. D

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Equation of State in Neutron Stars and Supernovae

Cited by 4 publications

References 168 publications

Nuclear data resources and initiatives for nuclear astrophysics

Nuclear data resources and initiatives for nuclear astrophysics

Hyperons in neutron stars: studies of hyperon spectroscopy and the hyperon–nucleon interaction with the K-long Facility

Toward a universal description of hadronic phase of QCD

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