Computes perturbation amplitudes in general effective multi-field inflation without sub-horizon limit and bounds higher-derivative corrections via ε for finite-cutoff models.
Hamiltonian formalism and gauge invariance for linear perturbations in in- flation,
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On the Validity of the Effective Theory of (Multi-)Field Inflation
Computes perturbation amplitudes in general effective multi-field inflation without sub-horizon limit and bounds higher-derivative corrections via ε for finite-cutoff models.