DBI inflation in the tip region of a warped throat

  title={DBI inflation in the tip region of a warped throat},
  author={Steven R. Kecskemeti and John G. Maiden and G. Moon-cheung Shiu and Bret Underwood},
Previous work on DBI inflation, which achieves inflation through the motion of a D3 brane as it moves through a warped throat compactification, has focused on the region far from the tip of the throat. Since reheating and other observable effects typically occur near the tip, a more detailed study of this region is required. To investigate these effects we consider a generalized warp throat where the warp factor becomes nearly constant near the tip. We find that it is possible to obtain 60 or… CONTINUE READING