3 papers
astro-ph.CO2026
Modeling Uncertainties in Modified Gravity Predictions for the Stochastic Gravitational-Wave Background
Rodrigo Fraga, Rafael C. Nunes
We investigate the impact of modified gravity on the stochastic gravitational-wave background (SGWB) generated by a cosmological population of unresolved binary black hole mergers.…
gr-qc2026
Observational bounds on Dark Matter Admixed Neutron Stars from Gravitational Wave Data
Rafael M. Santos, Rafael C. Nunes, Jaziel G. Coelho +1
Recent gravitational-wave (GW) observations offer a unique opportunity to probe the fundamental nature of compact objects. A growing body of research has focused on exploring the r…
gr-qc2025
Constraining Scalar Charge in Neutron Stars through Gravitational Wave Signals from NSBH Mergers
Rafael M. Santos, Rafael C. Nunes, Jose C. N. de Araujo
Neutron stars (NS) offer an exceptional opportunity to investigate gravitational physics in extreme environments. In the context of alternative theories of General Relativity (GR),…