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One of the key datasets of the recent BICEP2 results is the B mode power spectrum shown below. The existence of these B modes implies the existence of gravitational waves prior to inflation. My
Power Spectrum
Power Spectrum
Power Spectrum
Roger O'Brient
E-and B-mode power spectra for a tensor-to-scalar ratio saturating
Roger O'Brient
Power Spectra - an overview
Planck 2018 results. I. Overview and the cosmological legacy of
The Hubble constant troubled by dark matter in non-standard