Eternal Inflation, Bubble Collisions, and the Disintegration of the Persistence of Memory

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PIRSA Number: 
09030033

Abstract

I will compute the probability distribution for bubble collisions in an inflating false vacuum which decays by bubble nucleation. The number of collisions in our backward lightcone can be large in realistic models without tuning. In addition, we calculate the angular position and size distribution of the collisions on the cosmic microwave background sky.