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Paper   IPM / Astronomy / 12917
School of Astronomy
  Title:   A single field inflation model with large local non-Gaussianity
  Author(s): 
1.  Chen Xingang
2.  Hassan Firouzjahi
3.  Mohammad Hossein Namjoo
4.  Misao Sasaki
  Status:   Published
  Journal: Europhys. Lett.
  Vol.:  102
  Year:  2013
  Supported by:  IPM
  Abstract:
A detection of large local form non-Gaussianity is considered to be able to rule out all single field inflation models. This statement is based on a single field consistency condition. Despite the awareness of some implicit assumptions in the derivation of this condition and the demonstration of corresponding examples that illustrate these caveats, to date there is still no explicit and self-consistent model which can serve as a counterexample to this statement. We present such a model in this Letter.


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