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Monday 21 January 2008, 13:00-14:00
The Path Integral for Volume-Weighted Eternal Inflation
- 👤 Speaker: Steven Gratton (IoA)
- 📅 Date & Time: Monday 21 January 2008, 13:00 - 14:00
- 📍 Venue: Potter Room, CMS, Pav.B, First Floor Common Room (B1.19)
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Antony Lewis
Abstract
In this talk I present a path integral formulation of slow-roll stochastic inflation that can be naturally extended to incorporate volume-weighting effects. We can gain much insight into what happens in eternal inflation by looking for saddle points of the path integral—- perhaps surprisingly, some of the saddle points turn out to be complex! Thus we can investigate the end of eternal inflation (i.e. the “youngness paradox”) and the (in-)sensitivity of eternal inflation to initial conditions.
Series This talk is part of the Cosmology Lunch series.
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