D-term Uplifted Racetrack Inflation

Details D-term Uplifted Racetrack Inflation D-term Uplifted Racetrack Inflation

2007-10-25

arxiv.org/abs/0710.4876v1

JCAP0801:008,2008

Physics

High Energy Physics

High Energy Physics - Theory

14 pages, 5 figures

Scientific paper

10.1088/1475-7516/2008/01/008

It is shown that racetrack inflation can be implemented in a moduli stabilisation scenario with a supersymmetric uplifting D-term. The resulting model is completely described by an effective supergravity theory, in contrast to the original racetrack models. We study the inflationary dynamics and show that the gaugino condensates vary during inflation. The resulting spectral index is n_s = 0.95 as in the original racetrack inflation model. Hence extra fields do not appear to alter the predictions of the model. An equivalent, simplified model with just a single field is presented.

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