2 papers
hep-ph2024
Constraining Light QCD Axions with Isolated Neutron Star Cooling
Antonio Gómez-Bañón, Kai Bartnick, Konstantin Springmann +1
The existence of light QCD axions, whose mass depends on an additional free parameter, can lead to a new ground state of matter, where the sourced axion field reduces the nucleon e…
astro-ph.HE2023
One- and two-argument equation of state parametrizations with continuous sound speed for neutron star simulations
Gaël Servignat, Philip J. Davis, Jérôme Novak +2
We describe two fitting schemes that aim to represent the high-density part of realistic equations of state for numerical simulations such as neutron star oscillations. The low-den…