Abstract
We demonstrate that the recently proposed naturally flat N = 1 supergravity potentials not only provide a working primordial inflation scenario, but they also considerably facilitate the GUT phase transition. Towards the late stages of inflation, a rapid (second order) phase transition occurs naturally to the SU(3) × SU(2) × U(1) phase, thus gracefully and simultaneously ending the reign of the inflationary as well as GUT eras.
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