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.
- Publication Date:
- Research Org.:
- Washington Univ., St. Louis, MO (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- 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 Name: Journal of Physics. G, Nuclear and Particle Physics Journal Volume: 46 Journal Issue: 8; Journal ID: ISSN 0954-3899
- Publisher:
- IOP Publishing
- Country of Publication:
- United Kingdom
- 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 Kingdom: 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 Kingdom. doi:https://doi.org/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 Kingdom. doi:https://doi.org/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 Kingdom},
year = {2019},
month = {6}
}
Free Publicly Available Full Text
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DOI: https://doi.org/10.1088/1361-6471/ab2567
DOI: https://doi.org/10.1088/1361-6471/ab2567
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Cited by: 3 works
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Works referencing / citing this record:
Non-perturbative methods for a chiral effective field theory of finite density nuclear systems
journal, February 2011
- Lacour, A.; Oller, J. A.; Meißner, U. -G.
- Annals of Physics, Vol. 326, Issue 2
On neutron stars in theories: Small radii, large masses and large energy emitted in a merger
journal, September 2016
- Aparicio Resco, Miguel; de la Cruz-Dombriz, Álvaro; Llanes Estrada, Felipe J.
- Physics of the Dark Universe, Vol. 13
A two-solar-mass neutron star measured using Shapiro delay
journal, October 2010
- Demorest, P. B.; Pennucci, T.; Ransom, S. M.
- Nature, Vol. 467, Issue 7319
Phase transitions in dense matter and the maximum mass of neutron stars
journal, April 2013
- Chamel, N.; Fantina, A. F.; Pearson, J. M.
- Astronomy & Astrophysics, Vol. 553
Unified equation of state for neutron stars on a microscopic basis
journal, November 2015
- Sharma, B. K.; Centelles, M.; Viñas, X.
- Astronomy & Astrophysics, Vol. 584
Constraining gravity with hadron physics: neutron stars, modified gravity and gravitational waves
journal, January 2017
- Llanes-Estrada, Felipe J.
- EPJ Web of Conferences, Vol. 137
The radius of the canonical-mass neutron star and chiral effective field theory
journal, January 2019
- Sammarruca, F.; Millerson, Randy
- Journal of Physics G: Nuclear and Particle Physics, Vol. 46, Issue 2
An in-medium chiral power-counting scheme for nuclear matter and some applications
journal, May 2019
- Oller, J. A.
- Journal of Physics G: Nuclear and Particle Physics, Vol. 46, Issue 7
Hyperons: the strange ingredients of the nuclear equation of state
journal, September 2018
- Vidaña, Isaac
- Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol. 474, Issue 2217
Few-nucleon and many-nucleon systems with semilocal coordinate-space regularized chiral nucleon-nucleon forces
journal, July 2018
- Binder, S.; Calci, A.; Epelbaum, E.
- Physical Review C, Vol. 98, Issue 1
GW170817: Observation of Gravitational Waves from a Binary Neutron Star Inspiral
journal, October 2017
- Abbott, B. P.; Abbott, R.; Abbott, T. D.
- Physical Review Letters, Vol. 119, Issue 16
Modern theory of nuclear forces A.D. 2006
journal, February 2007
- Meißner, U. -G.
- The European Physical Journal A, Vol. 31, Issue 4
Characteristics of hybrid compact stars with a sharp hadron-quark interface
journal, March 2016
- Alford, Mark G.; Han, Sophia
- The European Physical Journal A, Vol. 52, Issue 3
Tidal Love numbers of neutron stars in f(R) gravity
journal, October 2018
- Yazadjiev, Stoytcho S.; Doneva, Daniela D.; Kokkotas, Kostas D.
- The European Physical Journal C, Vol. 78, Issue 10
Quark Deconfinement in Rotating Neutron Stars
journal, January 2017
- Mellinger, Richard; Weber, Fridolin; Spinella, William
- Universe, Vol. 3, Issue 1
Peering into the Dark Side: Magnesium Lines Establish a Massive Neutron Star in PSR J2215+5135
journal, May 2018
- Linares, M.; Shahbaz, T.; Casares, J.
- The Astrophysical Journal, Vol. 859, Issue 1
Constraining the Speed of Sound inside Neutron Stars with Chiral Effective Field Theory Interactions and Observations
journal, June 2018
- Tews, I.; Carlson, J.; Gandolfi, S.
- The Astrophysical Journal, Vol. 860, Issue 2
GW170817: Joint Constraint on the Neutron Star Equation of State from Multimessenger Observations
journal, January 2018
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- The Astrophysical Journal, Vol. 852, Issue 2
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