Primordial density perturbations and reheating from gravity

@article{Tsamis2010PrimordialDP,
  title={Primordial density perturbations and reheating from gravity},
  author={N. Tsamis and R. Woodard},
  journal={Physical Review D},
  year={2010},
  volume={82},
  pages={063502}
}
We consider the presence and evolution of primordial density perturbations in a cosmological model based on a simple ansatz which captures--by providing a set of effective gravitational field equations--the strength of the enhanced quantum loop effects that can arise during inflation. After deriving the general equations that perturbations obey, we concentrate on scalar perturbations and show that their evolution is quite different than that of conventional inflationary models but still… Expand
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