A Phase Transition between Small and Large Field Models of Inflation

Details A Phase Transition between Small and Large Field Models of Inflation A Phase Transition between Small and Large Field Models of Inflation

2008-10-23

arxiv.org/abs/0810.4299v2

Class.Quant.Grav.26:135007,2009

Physics

High Energy Physics

High Energy Physics - Theory

21 pages, 8 figures

Scientific paper

10.1088/0264-9381/26/13/135007

We show that models of inflection point inflation exhibit a phase transition from a region in parameter space where they are of large field type to a region where they are of small field type. The phase transition is between a universal behavior, with respect to the initial condition, at the large field region and non-universal behavior at the small field region. The order parameter is the number of e-foldings. We find integer critical exponents at the transition between the two phases.

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