Our Lopsided Universe

Marina Cortes (University of Edinburgh)

July 14, 2014

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Abstract: After a short introduction to open inflation and the observed large-scale cosmic microwave anomalies, which have been confirmed by the Planck satellite, I’ll argue that the anomalies are naturally explained in the context of a marginally-open, negatively curved universe. I’ll look in particular at the dipole power asymmetry, and motivate that this asymmetry can happen if our universe has bubble nucleated in a phase transition during a period of early inflation, and, as a result, has open geometry.