3 papers
astro-ph.CO2025
21 cm Cosmology Sensitivity to Small-Scale Structure: Warm vs Neutrino-Interacting Dark Matter
Virgile Dandoy, Christian Döring, Gaétan Facchinetti +2
The cm signal originating from Cosmic Dawn to the Epoch of Reionisation is highly sensitive to the processes governing star formation in the early universe as well as new phy…
gr-qc2025
High Frequency Gravitational Wave Bounds from Galactic Neutron Stars
Virgile Dandoy, Toni Bertólez-MartÃnez, Francesco Costa
High-Frequency Gravitational Waves (HFGWs) constitute a unique window on the early Universe as well as exotic astrophysical objects. If the current gravitational wave experiments a…
astro-ph.CO2024
Probing Primordial Black Hole Mergers in Clusters with Pulsar Timing Data
S. Clesse, V. Dandoy, S. Verma
We consider the possibility that the stochastic gravitational wave (GW) background suggested by Pulsar Timing Array (PTA) datasets is sourced by Primordial Black Holes (PBHs). Spec…