Ab-initio QCD Calculations Impact the Inference of the Neutron-star-matter Equation of State
We demonstrate that ab-initio calculations in QCD at high densities offer significant and
nontrivial information about the equation of state of matter in the cores of neutron stars …
nontrivial information about the equation of state of matter in the cores of neutron stars …
Astrophysical equation-of-state constraints on the color-superconducting gap
A Kurkela, K Rajagopal, R Steinhorst - Physical Review Letters, 2024 - APS
We demonstrate that astrophysical constraints on the dense-matter equation of state place
an upper bound on the color-superconducting gap in dense matter above the transition from …
an upper bound on the color-superconducting gap in dense matter above the transition from …
Long Range Plan: Dense matter theory for heavy-ion collisions and neutron stars
Since the release of the 2015 Long Range Plan in Nuclear Physics, major events have
occurred that reshaped our understanding of quantum chromodynamics (QCD) and nuclear …
occurred that reshaped our understanding of quantum chromodynamics (QCD) and nuclear …
Bayesian uncertainty quantification of perturbative QCD input to the neutron-star equation of state
A bstract The equation of state of neutron-star cores can be constrained by requiring a
consistent connection to the perturbative Quantum Chromodynamics (QCD) calculations at …
consistent connection to the perturbative Quantum Chromodynamics (QCD) calculations at …
Pressure and speed of sound in two-flavor color-superconducting quark matter at next-to-leading order
A Geißel, T Gorda, J Braun - Physical Review D, 2024 - APS
Deconfined quark matter at asymptotically high densities is weakly coupled, due to the
asymptotic freedom of quantum chromodynamics. In this weak-coupling regime, bulk …
asymptotic freedom of quantum chromodynamics. In this weak-coupling regime, bulk …
Perturbative QCD meets phase quenching: The pressure of cold Quark Matter
Nonperturbative inequalities constrain the thermodynamic pressure of quantum
chromodynamics (QCD) with its phase-quenched version, a sign-problem-free theory …
chromodynamics (QCD) with its phase-quenched version, a sign-problem-free theory …
Nontrivial features in the speed of sound inside neutron stars
Measurements of neutron star masses, radii, and tidal deformability have direct connections
to nuclear physics via the equation of state (EoS), which for the cold, catalyzed matter in …
to nuclear physics via the equation of state (EoS), which for the cold, catalyzed matter in …
Bounding the QCD Equation of State with the Lattice
GD Moore, T Gorda - Journal of High Energy Physics, 2023 - Springer
A bstract The equation of state of QCD matter at high densities is relevant for neutron star
structure and for neutron star mergers and has been a focus of recent work. We show how …
structure and for neutron star mergers and has been a focus of recent work. We show how …
Average speed of sound in neutron stars
M Marczenko - Physical Review C, 2024 - APS
The structure of the dense-matter equation of state is essential for the phenomenology of
neutron stars. In this work, I relate the thermodynamic properties to the average speed of …
neutron stars. In this work, I relate the thermodynamic properties to the average speed of …
Cold and dense perturbative QCD in a very strong magnetic background
ES Fraga, LF Palhares, TE Restrepo - Physical Review D, 2024 - APS
We compute the pressure from first principles within perturbative QCD at finite baryon
density and very high magnetic fields up to two-loops and with physical quark masses. The …
density and very high magnetic fields up to two-loops and with physical quark masses. The …