Brane curvature and supernovae Ia observations

Details Brane curvature and supernovae Ia observations Brane curvature and supernovae Ia observations

2002-06-20

arxiv.org/abs/hep-th/0206193v3

Physics

High Energy Physics

High Energy Physics - Theory

5 pages, RevTeX. Revised version. Change in title, 1 figure added

Scientific paper

It is well known that modifications to the Friedmann equation on a warped brane in an anti de Sitter bulk do not provide any low energy distinguishing feature from standard cosmology. However, addition of a brane curvature scalar in the action produces effects which can serve as a distinctive feature of brane world scenarios and can be tested with observations. The fitting of such a model with supernovae Ia data (including SN 1997ff at $z\approx1.7$) comes out very well and predicts an accelerating universe.

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