2 papers
astro-ph.CO2025
Multimodality in the Search for New Physics in Pulsar Timing Data and the Case of Kination-amplified Gravitational-wave Background from Inflation
Bohua Li, Joel Meyers, Paul R. Shapiro
We investigate the kination-amplified inflationary gravitational-wave background (GWB) interpretation of the signal recently reported by various pulsar timing array (PTA) experimen…
astro-ph.CO2025
Hydrodynamics of ultralight complex scalar field dark matter and its impact on the growth of structure
Qi Yang, Bohua Li, Paul R. Shapiro
The mass window of ultralight axion dark matter motivated by suppressing the growth of structure on subgalactic scales, , is now severely constrained b…