Initial conditions for small-field inflation

Details Initial conditions for small-field inflation Initial conditions for small-field inflation

2009-03-30

arxiv.org/abs/0903.4999v3

Phys.Rev.D80:063529,2009

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

Scientific paper

10.1103/PhysRevD.80.063529

Small-field inflation typically requires rather special initial conditions to commence. It is proposed that in models where the inflaton is an axionlike field, with a periodic contribution to the potential, there is a possibility of significantly enhancing the chances of inflation without any fine-tuning of initial conditions and with no additional fine-tuning of the dynamics beyond what is needed for the potential to support inflation in the first place.

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