Composite S-brane solutions related to Toda-type systems
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 M1 x ... x Mn, where R* is a time manifold, M1 is an Einstein manifold and Mi (i > 1) are Ricci-flat manifolds. Certain examples of S-brane solutions related to A1 + ... + A1, Am 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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