Description
Primordial Gravitational Waves (PGWs) provide us with an important
observable for studying a variety of early-universe phenomena. In this talk, I shall
discuss the properties of GW spectra generated in both standard as well as
non-standard cosmological scenarios. I shall discuss about possible synergies
between GW detectors, with the aim of a multi-band detection of a cosmological
stochastic GW background. Additionally, I shall talk about the effects of kinematic
anisotropies on the GW signal, and their detection prospects with the upcoming
Einstein Telescope.