Summary
In the framework of (4+N)-dimensional cosmology with an isotropic 3-space and a Ricci-flat internal space a relation between cosmological parameters and the time variation ofG is obtained. For a spatially flat universe restrictions on the density parameter are obtained.
Riassunto
Si ottiene una relazione tra i parametri cosmologici e la variazione diG temporale nell’ambito della cosmologia (4+N)-dimensionale con un trispazio isotropico e uno spazio interno piatto di Ricci. Si ottengono restrizioni sul parametro di densità per un universo spazialmente piatto.
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Bronnikov, K.A., Ivashchuk, V.D. & Melnikov, V.N. Time variation of gravitational constant in multidimensional cosmology. Nuov Cim B 102, 209–215 (1988). https://doi.org/10.1007/BF02726568
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DOI: https://doi.org/10.1007/BF02726568