3 papers
astro-ph.CO2025
Deep Learning for Primordial -mode Extraction
Eric Guzman, Joel Meyers
The search for primordial gravitational waves is a central goal of cosmic microwave background (CMB) surveys. Isolating the characteristic -mode polarization signal sourced by p…
astro-ph.CO2025
Insights for Early Dark Energy with Big Bang Nucleosynthesis
Christopher Cook, Joel Meyers
Big Bang Nucleosynthesis (BBN), as one of the earliest processes in the universe accessible to direct observation, offers a powerful and independent probe of the cosmic expansion h…
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…