Composite S-brane solutions related to Toda-type systems

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  • 14 August 2002
Abstract
Composite S-brane solutions in multidimensional gravity with scalar fields and fields of forms related to Toda-like systems are presented. These solutions are defined on a product manifold R x M_1 x ... x M_n, where R is a time manifold, M_1 is an Einstein manifold and M_i (i > 1) are Ricci-flat manifolds. Certain examples of S-brane solutions related to A_1 + ... + A_1, A_m Toda chains and those with "block-orthogonal" intersections (e.g. SM-brane solutions) are singled out. Under certain restrictions imposed a Kasner-like asymptotical behaviour of the solutions is shown.

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