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Slow Roll in Brane Inflation

Sarah E. Shandera
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Abstract

We address the issue of slow-roll in string theory models of inflation. Using a Kähler transformation and results from the D3-D7 model, we show why we expect flat directions to be present and slow-roll to be possible in general. We connect with earlier discussions of shift symmetry for $T^6/Z_2$ and $K3\times T^2/Z_2$ compactifications. We also collect various contributions to the inflationary potential and discuss their importance for slow-roll. We include a few simple checks of the form of the Kahler potential on $T^6/Z_2$ using T-duality.

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Sarah E. Shandera. 2004-12-13. Slow Roll in Brane Inflation. https://doi.org/10.1088/1475-7516%2F2005%2F04%2F011

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