Primordial gravitational waves are predicted by 'slow roll' models of cosmic inflation.
Sources
- BICEP and Keck Array (en.wikipedia.org)
- https://arxiv.org/pdf/2202.02773 (arxiv.org)
- https://arxiv.org/pdf/1802.04753 (arxiv.org)
- https://arxiv.org/pdf/1406.1369 (arxiv.org)
- https://ntrs.nasa.gov/api/citations/20170011095/downloads/20170011095.pdf (ntrs.nasa.gov)
- https://www.caltech.edu/about/news/bicep2-discovers-first-direct-evidence-inflation-and-primordial-gravitational-waves-42305 (caltech.edu)
- https://physicstoday.aip.org/news/polarization-measurement-detects-primordial-gravitational-waves (physicstoday.aip.org)
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