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What is Observational Tests of Eternal Inflation about?

This document presents the first observational tests of eternal inflation using data from the WMAP satellite. The authors search for signatures of collisions between vacuum bubbles in the cosmic microwave background. They find that the WMAP 7-year data does not provide evidence for bubble collisions beyond the standard cosmological model. The data constrains the average number of detectable bubble collisions on the full sky to be less than 1.6. Future data from the Planck satellite could provide a more defi

Author

Robert Downing

Language

EN