Non-Gaussianity from the hybrid potential

Details Non-Gaussianity from the hybrid potential Non-Gaussianity from the hybrid potential

2011-07-24

arxiv.org/abs/1107.4739v1

Physics

High Energy Physics

High Energy Physics - Theory

9 pages, 7 figures

Scientific paper

We study the hybrid inflationary potential in a regime where the defect field is light, and more than 60 e-folds of accelerated expansion occur after the symmetry breaking transition. Using analytic and numerical techniques, we then identify parameter values within this regime for which the statistics of the primordial curvature perturbation are significantly non-Gaussian. Focusing on this range of parameters, we provide a specific example which leads to an observationally consistent power spectrum, and a level of non-Gaussianity within current WMAP bounds and in reach of the Planck satellite. An interesting feature of this example is that the initial conditions at horizon crossing appear quite natural.

Affiliated with

Also associated with

No associations

Rating

Non-Gaussianity from the hybrid potential does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Non-Gaussianity from the hybrid potential, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Non-Gaussianity from the hybrid potential will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-76515