Non Gaussianity of General Multiple-Field Inflationary Models

Details Non Gaussianity of General Multiple-Field Inflationary Models Non Gaussianity of General Multiple-Field Inflationary Models

2005-10-25

arxiv.org/abs/astro-ph/0510709v3

Int.J.Mod.Phys.D15:1259-1266,2006

Astronomy and Astrophysics

Astrophysics

10 pages, no figure, references is added; mistakes is corrected

Scientific paper

10.1142/S0218271806008887

Using the "$\delta N$-formalism", We obtain the expression of the
non-Gaussianity of multiple-field inflationary models with the nontrivial
field-space metric. Further, we rewritten the result by using the slow-rolling
approximation.

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