From hadrons to quarks in neutron stars: a review

G Baym, T Hatsuda, T Kojo, PD Powell… - Reports on Progress …, 2018 - iopscience.iop.org
In recent years our understanding of neutron stars has advanced remarkably, thanks to
research converging from many directions. The importance of understanding neutron star …

Gravitational waves from neutron star mergers and their relation to the nuclear equation of state

L Baiotti - Progress in Particle and Nuclear Physics, 2019 - Elsevier
In this article, I introduce ideas and techniques to extract information about the equation of
state of matter at very high densities from gravitational waves emitted before, during and …

Gravitational-wave constraints on the neutron-star-matter Equation of State

E Annala, T Gorda, A Kurkela, A Vuorinen - Physical review letters, 2018 - APS
The detection of gravitational waves originating from a neutron-star merger, GW170817, by
the LIGO and Virgo Collaborations has recently provided new stringent limits on the tidal …

Evidence for quark-matter cores in massive neutron stars

E Annala, T Gorda, A Kurkela, J Nättilä, A Vuorinen - Nature Physics, 2020 - nature.com
The theory governing the strong nuclear force—quantum chromodynamics—predicts that at
sufficiently high energy densities, hadronic nuclear matter undergoes a deconfinement …

New constraints on radii and tidal deformabilities of neutron stars from GW170817

ER Most, LR Weih, L Rezzolla, J Schaffner-Bielich - Physical Review Letters, 2018 - APS
We explore in a parameterized manner a very large range of physically plausible equations
of state (EOSs) for compact stars for matter that is either purely hadronic or that exhibits a …

On the sound speed in neutron stars

S Altiparmak, C Ecker, L Rezzolla - The astrophysical journal …, 2022 - iopscience.iop.org
Determining the sound speed cs in compact stars is an important open question with
numerous implications on the behavior of matter at large densities and hence on …

How well do we know the neutron-matter equation of state at the densities inside neutron stars? A Bayesian approach with correlated uncertainties

C Drischler, RJ Furnstahl, JA Melendez, DR Phillips - Physical Review Letters, 2020 - APS
We introduce a new framework for quantifying correlated uncertainties of the infinite-matter
equation of state derived from chiral effective field theory (χ EFT). Bayesian machine …

Multimessenger constraints for ultradense matter

E Annala, T Gorda, E Katerini, A Kurkela, J Nättilä… - Physical Review X, 2022 - APS
Recent rapid progress in neutron-star (NS) observations offers great potential to constrain
the properties of strongly interacting matter under the most extreme conditions. In order to …

A NICER view of PSR J0030+ 0451: Implications for the dense matter equation of state

G Raaijmakers, TE Riley, AL Watts… - The Astrophysical …, 2019 - iopscience.iop.org
Both the mass and radius of the millisecond pulsar PSR J0030+ 0451 have been inferred
via pulse-profile modeling of X-ray data obtained by NASA's Neutron Star Interior …

Constraining the dense matter equation of state with joint analysis of NICER and LIGO/Virgo measurements

G Raaijmakers, SK Greif, TE Riley… - The Astrophysical …, 2020 - iopscience.iop.org
Abstract The Neutron Star Interior Composition Explorer collaboration recently published a
joint estimate of the mass and the radius of PSR J0030+ 0451, derived via X-ray pulse …