Multidimensional Cosmology for Intersecting p-Branes with Static Internal Spaces

Details Multidimensional Cosmology for Intersecting p-Branes with Static Internal Spaces Multidimensional Cosmology for Intersecting p-Branes with Static Internal Spaces

1998-04-20

arxiv.org/abs/gr-qc/9804042v1

Grav.Cosmol. 4 (1998) 145-150

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

10 pages, LaTeX, submitted to Gravitation and Cosmology

Scientific paper

Multidimensional cosmological model with static internal spaces describing the evolution of an Einstein space of non-zero curvature and n internal spaces is considered. The action contains several dilatonic scalar fields and antisymmetric forms and lambda-term. When forms are chosen to be proportional to volume forms of p-brane submanifolds of internal space manifold, the Toda-like Lagrange representation arises. Exact solutions for the model are obtained, when scale factors of internal spaces are constant. It is shown that they are de Sitter or anti-de Sitter. Behaviour of cosmological constant and its generation by p-branes is demonstrated.

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