Critical examination of constraints on the equation of state of dense matter obtained from GW170817

Tews, I.; Margueron, J.; Reddy, S.

doi:10.1103/physrevc.98.045804

Title: Critical examination of constraints on the equation of state of dense matter obtained from GW170817

Journal Article · Mon Oct 22 00:00:00 EDT 2018 · Physical Review. C

DOI:https://doi.org/10.1103/physrevc.98.045804· OSTI ID:1609316

Tews, I. ^[1]; Margueron, J. ^[2]; Reddy, S. ^[1]

Univ. of Washington, Seattle, WA (United State; Michigan State Univ., East Lansing, MI (United States)
Univ. of Washington, Seattle, WA (United State; Univ. de Lyon (France)

The correlation of the tidal polarizabilities Λ₁ - Λ₂ for GW170817 is predicted by combining dense-matter equations of state (EOSs) that satisfy nuclear physics constraints with the chirp mass and mass asymmetry for this event. Our models are constrained by calculations of the neutron-matter EOS using chiral effective field theory Hamiltonians with reliable error estimates up to once or twice the nuclear saturation density. In the latter case, we find that GW170817 does not improve our understanding of the EOS. We contrast two distinct extrapolations to higher density: a minimal model (MM) which assumes that the EOS is a smooth function of density described by a Taylor expansion and a more general model parametrized by the speed of sound that admits phase transitions. This allows us to identify regions in the Λ₁ - Λ₂ plots that could favor the existence of new phases of matter in neutron stars. We predict the combined tidal polarizability of the two neutron stars in GW170817 to be 80 ≤ $$\tilde{Λ}$$ ≤ 580 ( 280 ≤$$\tilde{Λ}$$ ≤ 480 for the MM), which is smaller than the range suggested by the LIGO-Virgo data analysis. Our analysis also shows that GW170817 requires a NS with M = 1.4 M_⊙ to have a radius 9.0 km < R_1.4 < 13.6 km ( 11.3 km < R_1.4 < 13.6 km for the MM).

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Research Organization:: Univ. of Washington, Seattle, WA (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

Grant/Contract Number:: FG02-00ER41132

OSTI ID:: 1609316

Alternate ID(s):: OSTI ID: 1478590

Journal Information:: Physical Review. C, Vol. 98, Issue 4; ISSN 2469-9985

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 192 works

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Constraining strangeness in dense matter with GW170817 Gomes, R. O.; Char, Prasanta; Schramm, S. arXiv https://doi.org/10.48550/arxiv.1806.04763	text	January 2018
On the effect of high order empirical parameters on the nuclear equation of state Margueron, J.; Gulminelli, F. arXiv https://doi.org/10.48550/arxiv.1807.01729	text	January 2018
Signals in the tidal deformability for phase transitions in compact stars with constraints from GW170817 Christian, Jan-Erik; Zacchi, Andreas; Schaffner-Bielich, Jürgen arXiv https://doi.org/10.48550/arxiv.1809.03333	text	January 2018
Binary Neutron Star Mergers: Mass Ejection, Electromagnetic Counterparts and Nucleosynthesis Radice, David; Perego, Albino; Hotokezaka, Kenta arXiv https://doi.org/10.48550/arxiv.1809.11161	text	January 2018
What do we learn about vector interactions from GW170817? Dexheimer, Veronica; Gomes, Rosana de Oliveira; Schramm, Stefan arXiv https://doi.org/10.48550/arxiv.1810.06109	text	January 2018
Tidal deformability with sharp phase transitions in (binary) neutron stars Han, Sophia; Steiner, Andrew W. arXiv https://doi.org/10.48550/arxiv.1810.10967	text	January 2018
Multimessenger Parameter Estimation of GW170817 Radice, David; Dai, Liang arXiv https://doi.org/10.48550/arxiv.1810.12917	text	January 2018
Constraining twin stars with GW170817 Montana, Gloria; Tolos, Laura; Hanauske, Matthias arXiv https://doi.org/10.48550/arxiv.1811.10929	text	January 2018
Quarkyonic Matter and Neutron Stars McLerran, Larry; Reddy, Sanjay arXiv https://doi.org/10.48550/arxiv.1811.12503	text	January 2018
Equation of state sensitivities when inferring neutron star and dense matter properties Greif, S. K.; Raaijmakers, G.; Hebeler, K. arXiv https://doi.org/10.48550/arxiv.1812.08188	text	January 2018
Non-perturbative Extraction of the Effective Mass in Neutron Matter Buraczynski, Mateusz; Ismail, Nawar; Gezerlis, Alexandros arXiv https://doi.org/10.48550/arxiv.1901.00870	text	January 2019
Tides in merging neutron stars: Consistency of the GW170817 event with experimental data on finite nuclei Malik, Tuhin; Agrawal, B. K.; De, J. N. arXiv https://doi.org/10.48550/arxiv.1901.04371	text	January 2019
The impact of the crust equation of state on the analysis of GW170817 Gamba, Rossella; Read, Jocelyn S.; Wade, Leslie E. arXiv https://doi.org/10.48550/arxiv.1902.04616	text	January 2019
Constraining compact star properties with nuclear saturation parameters Li, Jia Jie; Sedrakian, Armen arXiv https://doi.org/10.48550/arxiv.1903.06057	text	January 2019
From the microscopic to the macroscopic world: from nucleons to neutron stars Gandolfi, S.; Lippuner, J.; Steiner, A. W. arXiv https://doi.org/10.48550/arxiv.1903.06730	text	January 2019
Effects of Hadron-Quark Phase Transitions in Hybrid Stars within the NJL Model Ranea-Sandoval, Ignacio Francisco; Orsaria, Milva Gabriela; Malfatti, Germán arXiv https://doi.org/10.48550/arxiv.1903.11974	text	January 2019
Impact of high spins on the ejection of mass in GW170817 Most, Elias R.; Papenfort, L. Jens; Tsokaros, Antonios arXiv https://doi.org/10.48550/arxiv.1904.04220	text	January 2019
Signatures for quark matter from multi-messenger observations Alford, Mark G.; Han, Sophia; Schwenzer, Kai arXiv https://doi.org/10.48550/arxiv.1904.05471	text	January 2019
New constraints on the nuclear equation of state from the thermal emission of neutron stars in quiescent low-mass X-ray binaries d'Etivaux, N. Baillot; Guillot, S.; Margueron, J. arXiv https://doi.org/10.48550/arxiv.1905.01081	text	January 2019
Optimal neutron-star mass ranges to constrain the equation of state of nuclear matter with electromagnetic and gravitational-wave observations Weih, Lukas R.; Most, Elias R.; Rezzolla, Luciano arXiv https://doi.org/10.48550/arxiv.1905.04900	text	January 2019
Tidal Effects in Eccentric Coalescing Neutron Star Binaries Vick, Michelle; Lai, Dong arXiv https://doi.org/10.48550/arxiv.1906.08780	text	January 2019
Beyond second-order convergence in simulations of magnetised binary neutron stars with realistic microphysics Most, Elias R.; Papenfort, L. Jens; Rezzolla, Luciano arXiv https://doi.org/10.48550/arxiv.1907.10328	text	January 2019
Effects of nuclear symmetry energy and equation of state on neutron star properties Ji, Fan; Hu, Jinniu; Bao, Shishao arXiv https://doi.org/10.48550/arxiv.1910.02266	text	January 2019
A NICER view of PSR J0030+0451: Implications for the dense matter equation of state Raaijmakers, G.; Riley, T. E.; Watts, A. L. arXiv https://doi.org/10.48550/arxiv.1912.05703	text	January 2019
Local nucleon-nucleon and three-nucleon interactions within chiral effective field theory Piarulli, Maria; Tews, Ingo arXiv https://doi.org/10.48550/arxiv.2002.00032	text	January 2020
Forms of the Symmetry Energy Relevant to Neutron Stars Bednarek, Ilona; Sładkowski, Jan; Syska, Jacek Symmetry, Vol. 12, Issue 6 https://doi.org/10.3390/sym12060898	journal	June 2020
Binary Neutron Star Merger Simulations with a Calibrated Turbulence Model Radice, David Symmetry, Vol. 12, Issue 8 https://doi.org/10.3390/sym12081249	journal	July 2020
Compact Star Properties from an Extended Linear Sigma Model Takátsy, János; Kovács, Péter; Szép, Zsolt Universe, Vol. 5, Issue 7 https://doi.org/10.3390/universe5070174	journal	July 2019
Local chiral EFT potentials in nuclei and neutron matter: results and issues Lonardoni, Diego; Tews, Ingo arXiv https://doi.org/10.48550/arxiv.1903.05215	preprint	January 2019
Binary Neutron Star (BNS) merger: What we learned from relativistic ejecta of GW/GRB~170817A Ziaeepour, Houri arXiv https://doi.org/10.48550/arxiv.1905.11355	text	January 2019
Probing the Symmetry Energy with the Spectral Pion Ratio Estee, J.; Lynch, W. G.; Tsang, C. Y. arXiv https://doi.org/10.48550/arxiv.2103.06861	text	January 2021
NMMA: A nuclear-physics and multi-messenger astrophysics framework to analyze binary neutron star mergers Pang, Peter T. H.; Dietrich, Tim; Coughlin, Michael W. arXiv https://doi.org/10.48550/arxiv.2205.08513	preprint	January 2022

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