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 …
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 …
Bounds on the equation of state from QCD inequalities and lattice QCD
Y Fujimoto, S Reddy - Physical Review D, 2024 - APS
We derive robust bounds on the equation of state (EOS) at finite baryon chemical potential
using QCD inequalities and input from recent lattice-QCD calculations of thermodynamic …
using QCD inequalities and input from recent lattice-QCD calculations of thermodynamic …
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 …
Equation of state at neutron-star densities and beyond from perturbative QCD
We explore the consequences of imposing robust thermodynamic constraints arising from
perturbative quantum chromodynamics (QCD) when inferring the dense-matter equation-of …
perturbative quantum chromodynamics (QCD) when inferring the dense-matter equation-of …
SU (3) parity doubling in cold neutron star matter
ES Fraga, R da Mata, J Schaffner-Bielich - Physical Review D, 2023 - APS
We present a phenomenological model to investigate the chiral phase transition
characterized by parity doubling in dense, beta equilibrated, cold matter. Our model …
characterized by parity doubling in dense, beta equilibrated, cold matter. Our model …
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 …
Enhanced contribution of the pairing gap to the QCD equation of state at large isospin chemical potential
Y Fujimoto - Physical Review D, 2024 - APS
In this paper QCD at large isospin density is studied, which is known to be in the superfluid
state with Cooper pairs carrying the same quantum number as pions. The gap equation …
state with Cooper pairs carrying the same quantum number as pions. The gap equation …
Bayesian study of quark models in view of recent astrophysical constraints
In this work, we perform a comparative analysis between the density-dependent quark
model and the vector MIT bag model using Bayesian analysis. We use the equations of state …
model and the vector MIT bag model using Bayesian analysis. We use the equations of state …