Primordial gravitational waves have crucial implications for the origin of the universe and fundamental physics. Using currently available cosmic microwave background data from Planck, WMAP, ACT and SPT separately or their combinations with BK18 B-mode polarization and DESI observations, we find the evidence of primordial gravitational waves at beyond the 5\,σ confidence level.
No takes yet. Share an insight, caveat, or question.
Deng Wang (2024) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: