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It has been argued that oscillatory features from spectator fields in theprimordial power spectrum could be a probe of alternatives to inflation. Inthis work, we soften this claim by showing that the frequency and amplitudedependence of the patterns appearing in these scenarios could be mimicked byfield interactions during inflation. The degeneracy of the frequency holds forthe $n$-point correlation functions, while the degeneracy of the amplitude isbroken at the level of non-gaussianities.

Mimicking alternatives to inflation with interacting spectator fields