CMB Power Spectrum from Noncommutative Spacetime

Details CMB Power Spectrum from Noncommutative Spacetime CMB Power Spectrum from Noncommutative Spacetime

2003-04-24

arxiv.org/abs/hep-th/0304203v3

JHEP 0306 (2003) 014

Physics

High Energy Physics

High Energy Physics - Theory

8 pages, 2 figures; v2: refs. added and minor corrections; v3: further minor correction

Scientific paper

10.1088/1126-6708/2003/06/014

Very recent CMB data of WMAP offers an opportunity to test inflation models, in particular, the running of spectral index is quite new and can be used to rule out some models. We show that an noncommutative spacetime inflation model gives a good explanation of these new results. In fitting the data, we also obtain a relationship between the noncommutative parameter (string scale) and the ending time of inflation.

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