cosmology - In the B mode power spectrum, what is the relationship between the multipole number and the wavelength of the seed gravitational waves? - Physics Stack Exchange

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

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Why do we have a cosmic microwave background and not one with a much shorter wavelength? - Quora

Shown is the power spectrum S ξ (ω) of gravitational strain

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