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On the consistency relation of the 3-point function in single field inflation
Clifford Cheung, A. Liam Fitzpatrick, Jared Kaplan +1
The consistency relation for the 3-point function of the CMB is a very powerful observational signature which is believed to be true for every inflationary model in which there is…
The Effective Field Theory of Inflation
Clifford Cheung, Paolo Creminelli, A. Liam Fitzpatrick +2
We study the effective field theory of inflation, i.e. the most general theory describing the fluctuations around a quasi de Sitter background, in the case of single field models.…
A smooth bouncing cosmology with scale invariant spectrum
Paolo Creminelli, Leonardo Senatore
We present a bouncing cosmology which evolves from the contracting to the expanding phase in a smooth way, without developing instabilities or pathologies and remaining in the regi…