content_image/300976.jpg content_image/300974.jpg content_image/300972.jpg content_image/300973.jpg
non-Gaussianity) that may test this scenario in the near future. 

From Section 4.3.1, the decay rate of the φ field is given by 

<img src='content_image/300976.jpg'>

<img src='content_image/300974.jpg'>

The primordial curvature perturbation that is produced by a varying decay rate [24] is given to first order by 

Differentiating Γ ∼ g $^{2}$m with respect to m gives 

<img src='content_image/300972.jpg'>

<img src='content_image/300973.jpg'>

