Perturbative thermal QCD: formalism and applications

J Ghiglieri, A Kurkela, M Strickland, A Vuorinen - Physics Reports, 2020 - Elsevier
In this review article, we discuss the current status and future prospects of perturbation
theory as a means of studying the equilibrium thermodynamic and near-equilibrium …

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 …

Next-to-next-to-next-to-leading order pressure of cold quark matter: leading logarithm

T Gorda, A Kurkela, P Romatschke, S Säppi… - Physical review …, 2018 - APS
At high baryon chemical potential μ B, the equation of state of QCD allows a weak-coupling
expansion in the QCD coupling α s. The result is currently known up to and including the full …

Probing the impact of WIMP dark matter on universal relations, GW170817 posterior, and radial oscillations

P Routaray, A Quddus, K Chakravarti… - Monthly Notices of the …, 2023 - academic.oup.com
In this study, we investigate the impact of weakly interacting massive particles (WIMPs) dark
matter (DM) on C–Λ universal relations, GW170817 posterior, and radial oscillations of …

Equation of state constraints from nuclear physics, neutron star masses, and future moment of inertia measurements

SK Greif, K Hebeler, JM Lattimer… - The Astrophysical …, 2020 - iopscience.iop.org
We explore constraints on the equation of state (EOS) of neutron-rich matter based on
microscopic calculations up to nuclear densities and observations of neutron stars. In a …

Constraining the dense matter equation-of-state with radio pulsars

H Hu, M Kramer, N Wex, DJ Champion… - Monthly Notices of the …, 2020 - academic.oup.com
Radio pulsars provide some of the most important constraints for our understanding of
matter at supranuclear densities. So far, these constraints are mostly given by precision …

Constraints on the moment of inertia of PSR J0737-3039A from GW170817

P Landry, B Kumar - The Astrophysical Journal Letters, 2018 - iopscience.iop.org
Continued observation of PSR J0737-3039, the double pulsar, is expected to yield a precise
determination of its primary component's moment of inertia in the next few years. Since the …

GW170817 constraints on the properties of a neutron star in the presence of WIMP dark matter

A Quddus, G Panotopoulos, B Kumar… - Journal of Physics G …, 2020 - iopscience.iop.org
The properties of a neutron star are studied in the presence of dark matter. We have
considered a relatively light weakly interacting massive particle (WIMP) as a dark matter …

Slowly rotating anisotropic neutron stars with a parametrized equation of state

LM Becerra, EA Becerra-Vergara, FD Lora-Clavijo - Physical Review D, 2024 - APS
In this work, we study the impact of anisotropy on slowly rotating neutron stars by extending
the Hartle–Thorne formalism in general relativity to include anisotropy in pressure up to …

Renormalization group improved pressure for cold and dense QCD

JL Kneur, MB Pinto, TE Restrepo - Physical Review D, 2019 - APS
We apply the renormalization group optimized perturbation theory (RGOPT) to evaluate the
QCD (matter) pressure at the two-loop level considering three flavors of massless quarks in …