Brane Inflation After WMAP Three Year Results

Details Brane Inflation After WMAP Three Year Results Brane Inflation After WMAP Three Year Results

2006-04-25

arxiv.org/abs/hep-th/0604186v3

JCAP0611:010,2006

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, 3 figures; references added; version for publication in JCAP

Scientific paper

10.1088/1475-7516/2006/11/010

WMAP three-year data favors a red power spectrum at the level of 2 standard deviations, which provides a stringent constraint on the inflation models. In this note we use this data to constrain brane inflation models and find that KKLMMT model can not fit WMAP+SDSS data at the level of 1 standard deviation and a fine-tuning, eight parts in thousand at least, is needed at the level of 2 standard deviation.

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