Kavli Affiliate: Misao Sasaki | First 5 Authors: Shi Pi, Misao Sasaki, Ao Wang, Jianing Wang, | Summary: High-frequency primordial gravitational waves (PGWs) with wave numbers larger than the Hubble parameter at the end of inflation are originated from the ultraviolet (UV) modes, which are never stretched out of the horizon. Such a UV tail […]
Continue.. Revisiting the Ultraviolet Tail of the Primordial Gravitational Wave