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First Observational Tests of Eternal Inflation

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If you have a question about this talk, please contact Alastair Sanderson.

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 .

This talk is part of the Astrophysics Seminars series.

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