3 papers
astro-ph.CO2025
BBNet: accurate neural network emulator for primordial light element abundances
Fan Zhang, Hang Diao, Bohua Li +2
Big-Bang Nucleosynthesis (BBN) predictions of primordial light-element abundances offer a powerful probe of early-Universe physics. However, high-accuracy numerical BBN calculation…
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…
astro-ph.CO2025
SageNet: Fast Neural Network Emulation of the Stiff-amplified Gravitational Waves from Inflation
Fan Zhang, Yifang Luo, Bohua Li +4
Accurate modeling of the inflationary gravitational waves (GWs) requires time-consuming, iterative numerical integrations of differential equations to take into account their backr…