Large-scale anomalies from primordial dissipation

@article{DAmico2013LargescaleAF,
  title={Large-scale anomalies from primordial dissipation},
  author={Guido D'Amico and Roberto Gobbetti and Matthew Kleban and Marjorie Schillo},
  journal={Journal of Cosmology and Astroparticle Physics},
  year={2013},
  volume={2013},
  pages={013-013}
}
  • Guido D'Amico, Roberto Gobbetti, +1 author Marjorie Schillo
  • Published 2013
  • Physics
  • Journal of Cosmology and Astroparticle Physics
  • We analyze an inflationary model in which part of the power in density perturbations arises due to particle production. The amount of particle production is modulated by an auxiliary field. Given an initial gradient for the auxiliary field, this model produces a hemispherical power asymmetry and a suppression of power at low multipoles similar to those observed by WMAP and Planck in the CMB temperature. It also predicts an additive contribution to δT with support only at very small l that is… CONTINUE READING

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