21cm Physics and Cosmology by Somnath Bharadwaj

Explore the intricacies of 21cm physics and cosmology in this third lecture delivered by Somnath Bharadwaj as part of the "Cosmology - The Next Decade" program. Delve into the fascinating world of cosmological observations, focusing on the 21cm signal and its implications for understanding the early universe. Learn about the reionization history, dark matter properties, and their effects on cosmic structure formation. Gain insights into how upcoming 21cm experiments are expected to provide detailed information about the universe's evolution. Examine the intersection of astrophysics and cosmology, and discover how 21cm studies contribute to solving puzzles surrounding dark matter and dark energy. Enhance your understanding of large-scale structure surveys, CMB spectral distortions, and the challenges in theoretical modeling of cosmic structures.