PIRSA:11070008 Conference Cosmology

DOI10.48660/11070008

Conference/School: Challenges for Early Universe Cosmology - 2011

Peiris, H. (2011). First observational tests of eternal inflation. Perimeter Institute. https://pirsa.org/11070008

Peiris, Hiranya. First observational tests of eternal inflation. Perimeter Institute, Jul. 12, 2011, https://pirsa.org/11070008 

@misc{ pirsa_PIRSA:11070008,
  doi = {10.48660/11070008},
  url = {https://pirsa.org/11070008},
  author = {Peiris, Hiranya},
  keywords = {Cosmology},
  language = {en},
  title = {First observational tests of eternal inflation},
  publisher = {Perimeter Institute},
  year = {2011},
  month = {jul},
  note = {PIRSA:11070008 see, \url{https://pirsa.org}}
}

Abstract

The eternal inflation scenario predicts that our observable universe resides inside a single bubble embedded in a vast inflating multiverse. Collisions between bubble universes imprinted in the CMB sky provide a powerful observational test of this idea. I will describe a robust algorithm for non-Gaussian source detection in massive datasets, and present its application to the search for bubble collision signatures in CMB data from WMAP.

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