2 papers
astro-ph.CO2026
Gravitational Wave Informed Inference of 21-cm Global Signal Parameters
Avinash Tiwari, Sajad A. Bhat, Tirthankar Roy Choudhury +3
Understanding how and when the first stars and galaxies formed remains one of the central challenges in modern cosmology. These structures emerged during the transition from the Da…
hep-ph2025
Profiling Dark Matter Spikes with Gravitational Waves from Accelerated Binaries
Avinash Tiwari, Prolay Chanda, Shasvath J. Kapadia +3
Dark matter halos can develop a density spike, e.g., around a galactic supermassive black hole, with the profile determined both by the galaxy's format…