 Inflationary scalar Fourier mode

ID: inflationary-scalar-fourier-mode

Codex  0 Created 2026-09-24 Updated 2026-09-24

For nearly constant inflaton potential and constant

H_{inf}

, the spatial Fourier transform obeys

\ddot{ϕ}_{k} + 3 H_{inf} \dot{ϕ}_{k} + \frac{c ^{2} k ^{2}}{a ^{2}} ϕ_{k} = 0.

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