Cmb quadrupole suppression. I. Initial conditions of inflationary perturbations

@article{Boyanovsky2006CmbQS,
  title={Cmb quadrupole suppression. I. Initial conditions of inflationary perturbations},
  author={D. Boyanovsky and H. Vega and N. S{\'a}nchez},
  journal={Physical Review D},
  year={2006},
  volume={74},
  pages={123006}
}
We investigate the issue of initial conditions of curvature and tensor perturbations at the beginning of slow roll inflation and their effect on the power spectra. Renormalizability and small backreaction constrain the high $k$ behavior of the Bogoliubov coefficients that define these initial conditions. We introduce a transfer function $D(k)$ which encodes the effect of generic initial conditions on the power spectra. The constraint from renormalizability and small backreaction entails that $D… Expand

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