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Title: nEoS: neutron star equation of state from hadron physics alone

Abstract

We provide a publicly available set of tables and code to provide Equations of State (EoS) for matter at neutron star densities. Our EoSes are constrained only by input from hadron physics and fundamental principles, without feedback from neutron star observations, and so without relying on General Relativity. They can therefore be used to test General Relativity itself, as well as modified gravity theories, with neutron star observables, without logical circularity. We have adapted state of the art results from NN chiral potentials for the low--density limit, pQCD results for the asymptotically high-density EoS, and use monotonicity and causality as the only restrictions for intermediate densities, for the EoS sets to remain as model-independent as is feasible today.

Authors:
 [1];  [2]; ORCiD logo [1]; ORCiD logo [3]
  1. Univ. Complutense Madrid (Spain)
  2. Washington Univ., St. Louis, MO (United States); Univ. of Graz (Austria)
  3. Washington Univ., St. Louis, MO (United States)
Publication Date:
Research Org.:
Washington Univ., St. Louis, MO (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
OSTI Identifier:
1529679
Alternate Identifier(s):
OSTI ID: 1594998
Grant/Contract Number:  
FG02-05ER41375
Resource Type:
Published Article
Journal Name:
Journal of Physics. G, Nuclear and Particle Physics
Additional Journal Information:
Journal Volume: 46; Journal Issue: 8; Journal ID: ISSN 0954-3899
Publisher:
IOP Publishing
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS

Citation Formats

Lope Oter, Eva, Windisch, Andreas, Llanes-Estrada, Felipe J., and Alford, Mark. nEoS: neutron star equation of state from hadron physics alone. United States: N. p., 2019. Web. doi:10.1088/1361-6471/ab2567.
Lope Oter, Eva, Windisch, Andreas, Llanes-Estrada, Felipe J., & Alford, Mark. nEoS: neutron star equation of state from hadron physics alone. United States. doi:10.1088/1361-6471/ab2567.
Lope Oter, Eva, Windisch, Andreas, Llanes-Estrada, Felipe J., and Alford, Mark. Wed . "nEoS: neutron star equation of state from hadron physics alone". United States. doi:10.1088/1361-6471/ab2567.
@article{osti_1529679,
title = {nEoS: neutron star equation of state from hadron physics alone},
author = {Lope Oter, Eva and Windisch, Andreas and Llanes-Estrada, Felipe J. and Alford, Mark},
abstractNote = {We provide a publicly available set of tables and code to provide Equations of State (EoS) for matter at neutron star densities. Our EoSes are constrained only by input from hadron physics and fundamental principles, without feedback from neutron star observations, and so without relying on General Relativity. They can therefore be used to test General Relativity itself, as well as modified gravity theories, with neutron star observables, without logical circularity. We have adapted state of the art results from NN chiral potentials for the low--density limit, pQCD results for the asymptotically high-density EoS, and use monotonicity and causality as the only restrictions for intermediate densities, for the EoS sets to remain as model-independent as is feasible today.},
doi = {10.1088/1361-6471/ab2567},
journal = {Journal of Physics. G, Nuclear and Particle Physics},
number = 8,
volume = 46,
place = {United States},
year = {2019},
month = {6}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1088/1361-6471/ab2567

Citation Metrics:
Cited by: 1 work
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