Abstract
Typically, the fluctuations generated from a decaying field during inflation do not contribute to the large scale structures. In this paper, we provide an example where it is possible for a field which slowly rolls and then decays during inflation to create all the matter perturbations with a slightly red-tilted spectral index, with no isocurvature perturbations, and with a possibility of a departure from Gaussian fluctuations.
| Original language | English |
|---|---|
| Journal | Physical Review D (Particles, Fields, Gravitation and Cosmology) |
| Volume | 87 |
| Issue number | 8 |
| Pages (from-to) | 083501 |
| Number of pages | 4 |
| ISSN | 1550-7998 |
| DOIs | |
| Publication status | Published - 1 Apr 2013 |