5-dimensional solution with acceleration and small variation of G

Details 5-dimensional solution with acceleration and small variation of G 5-dimensional solution with acceleration and small variation of G

2007-06-27

arxiv.org/abs/0706.3988v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages, Latex, prepared for Proc. of the Russian summer school-seminar Modern theoretical problems of gravitation and cosmolo

Scientific paper

A 5-dimensional cosmological solution in the model with two 2-forms and two ``phantom'' scalar fields is considered. The model contains two dilatonic coupling vectors obeying certain restrictions. It is shown that there exists a time interval where accelerating expansion of ``our'' 3-dimensional space is compatible with a small value of effective gravitational ``constant'' variation.

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