Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
1997-08-15
Grav.Cosmol. 3 (1997) 243-249
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
10 pages, Latex., Submit. to Phys. Lett. B
Scientific paper
Multidimensional cosmological model describing the evolution of one Einstein space of non-zero curvature and n Ricci-flat internal spaces is considered. The action contains several dilatonic scalar fields and antisymmetric forms. When forms are chosen to be proportional of volume forms of p-brane submanifolds of internal space manifold, the Toda-like Lagrange representation is obtained. Wheeler-De Witt equation for the model is presented. The exact solutions in classical and quantum cases are obtained when dimensions of p-branes and dilatonic couplings obey some orthogonality conditions.
Grebeniuk M. A.
Ivashchuk Vladimir D.
Melnikov Vitaly N.
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