Improved treatment of dark matter capture in neutron stars

NF Bell, G Busoni, S Robles… - Journal of Cosmology and …, 2020 - iopscience.iop.org
Neutron stars provide a cosmic laboratory to study the nature of dark matter particles and
their interactions. Dark matter can be captured by neutron stars via scattering, where kinetic …

Capture of leptophilic dark matter in neutron stars

NF Bell, G Busoni, S Robles - Journal of Cosmology and …, 2019 - iopscience.iop.org
Dark matter particles will be captured in neutron stars if they undergo scattering interactions
with nucleons or leptons. These collisions transfer the dark matter kinetic energy to the star …

Improved treatment of dark matter capture in neutron stars II: leptonic targets

NF Bell, G Busoni, S Robles… - Journal of Cosmology and …, 2021 - iopscience.iop.org
Neutron stars harbour matter under extreme conditions, providing a unique testing ground
for fundamental interactions. We recently developed an improved treatment of dark matter …

Thermalization and annihilation of dark matter in neutron stars

NF Bell, G Busoni, S Robles… - Journal of Cosmology and …, 2024 - iopscience.iop.org
The capture of dark matter, and its subsequent annihilation, can heat old, isolated neutron
stars. In order for kinetic heating to be achieved, the captured dark matter must undergo …

On the minimum radius of very massive neutron stars

S Han, M Prakash - The Astrophysical Journal, 2020 - iopscience.iop.org
Prospects of establishing the radii of massive neutron stars in PSR J1614–2230 and PSR
J0740+ 6620 from Neutron Star Interior Composition ExploreR and Chandra observatories …

Astrophysical implications of neutron star inspiral and coalescence

JL Friedman, N Stergioulas - International Journal of Modern …, 2020 - World Scientific
The first inspiral of two neutron stars observed in gravitational waves was remarkably close,
allowing the kind of simultaneous gravitational wave and electromagnetic observation that …

Equation of state of cold and dense QCD matter in resummed perturbation theory

Y Fujimoto, K Fukushima - Physical Review D, 2022 - APS
We discuss the hard dense loop resummation at finite quark mass and evaluate the
equation of state (EoS) of cold and dense QCD matter in β equilibrium. The resummation in …

Equilibrium thermodynamic susceptibilities for a dense degenerate Dirac field

A Shukla - Physical Review D, 2019 - APS
Parity preserving relativistic fluids in four spacetime dimensions admit seven independent
thermodynamic susceptibilities at the second order in the hydrodynamic derivative …

Sound in a bubbly hybrid neutron star

BO Kerbikov, MS Lukashov - Physical Review D, 2024 - APS
Increasingly precise astrophysical observations of the last decade in combination with
intense theoretical studies allow for drawing a conclusion about potential quark matter …

Compact star properties from an extended linear sigma model

J Takátsy, P Kovács, Z Szép, G Wolf - Universe, 2019 - mdpi.com
The equation of state provided by effective models of strongly interacting matter should
comply with the restrictions imposed by current astrophysical observations of compact stars …