Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2006-02-27
Grav.Cosmol.11:340-344,2005
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
5 pages, Latex, journal style (G&C)
Scientific paper
Expressions for G-dot are considered in a multidimensional model with an Einstein internal space and a multicomponent perfect fluid. In the case of two non-zero curvatures without matter, a mechanism for prediction of small G-dot is suggested. The result is compared with exact (1+3+6)-dimensional solutions. A two-component example with two matter sources (dust + 5-brane) and two Ricci-flat factor spaces is also considered.
Dehnen Heinz
Ivashchuk Vladimir D.
Kononogov S. A.
Melnikov Vitaly N.
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