 Slow-roll approximation

ID: slow-roll-approximation

Codex  0 Created 2026-09-24 Updated 2026-10-05

For a canonical scalar field with potential

V (ϕ)

, slow roll reduces the field and Friedmann equations to

H^{2} ≃ \frac{V}{3 M _{Pl}^{2}}, 3 H \dot{ϕ} ≃ - V^{'} .

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