Primordial GWs (CMB B-mode)

Layer 1 — Physicsin the quantum-gravity-phenomenology subtree

Inflation-generated GW imprint on CMB B-mode polarization. BICEP-Planck 2018 constrain r < 0.06. LiteBIRD / CMB-S4 future. Tests quantum-gravity-fluctuation-of-spacetime.

Related concepts

Fourier transform
Primordial GW (BICEP/Keck)
Primordial GW (BICEP/Keck 2014)

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