Noncommutative KKLMMT Model
Abstract
In the noncommutative space-time the fine tuning in KKLMMT model can be significantly released and a nice running of spectral index fitting the WMAP three year data can be achieved. The fitting results show that the noncommutative mass scale is roughly 5× 1014 Gev. The string mass scale is higher than the noncommutative scale unless the string coupling is smaller than 10-10.
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