Is Brane Inflation Eternal ?

@inproceedings{Chen2006IsBI,
  title={Is Brane Inflation Eternal ?},
  author={Xingang Chen and S. K. Sarangi and S H Tye and Jiajun Xu},
  year={2006}
}
In this paper, we show that eternal inflation of the random walk type is generically absent in the brane inflationary scenario. Depending on how the brane inflationary universe originated, eternal inflation of the false vacuum type is still quite possible. Since the inflaton is the position of the D3-brane relative to the D̄3-brane inside the compactified bulk with finite size, its value is bounded. In DBI inflation, the warped space also restricts the amplitude of the scalar fluctuation. These… CONTINUE READING
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