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Two-Stage Inflation in Supergravity

G. Lazarides·N. Tetradis
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Abstract

We investigate the viability of a two-stage inflationary scenario in the context of supergravity, so as to resolve the problem of initial conditions for hybrid inflation. We allow for non-renormalizable terms in the superpotential and consider the most general form of the Kahler potential and the gauge kinetic function. We construct a model with two stages of inflation, the first driven by D-term and the second by F-term energy density. The viability of this scenario depends on the non-minimal terms in the Kahler potential, for which we derive the necessary constraints.

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G. Lazarides, N. Tetradis. 1998-10-20. Two-Stage Inflation in Supergravity. https://doi.org/10.1103/physrevd.58.123502

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