Non-Gaussian features of primordial fluctuations in single field inflationary models

Details Non-Gaussian features of primordial fluctuations in single field inflationary models Non-Gaussian features of primordial fluctuations in single field inflationary models

2002-10-28

arxiv.org/abs/astro-ph/0210603v5

JHEP 0305 (2003) 013

Astronomy and Astrophysics

Astrophysics

harvmac, 38 pages. V5: One error corrected in section 3.1

Scientific paper

10.1088/1126-6708/2003/05/013

We compute the three point correlation functions for primordial scalar and tensor fluctuations in single field inflationary models. We obtain explicit expressions in the slow roll limit where the answer is given terms of the two usual slow roll parameters. In a particular limit the three point functions are determined completely by the tilt of the spectrum of the two point functions. We also make some remarks on the relation of this computation to dS/CFT and AdS/CFT. We emphasize that (A)dS/CFT can be viewed as a statement about the wavefunction of the universe.

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