Abstract
We investigate consistency relations for non-Gaussianity. We provide a model-independentdynamical proof for the consistency relation for three-point correlation functions from theHamiltonian and field redefinition. This relation can be applied to single-field inflation,multi-field inflation and the curvaton scenario. This relation can also be generalized ton-point correlation functions up to arbitrary order in perturbation theory and with arbitrarynumber of loops.
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