 Slow-roll curvature power spectrum

ID: slow-roll-curvature-power-spectrum

At leading order in canonical single-field slow roll and evaluated at horizon exit

k = a H

Δ_{R}^{2} (k) = \frac{1}{2 ϵ M _{Pl}^{2}} (\frac{H}{2 π})^{2} .

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