Null-Brane Solutions in Supergravities

Abstract

We find a new class of time-dependent brane solutions in supergravities in arbitrary dimensions $D$. These are general intersecting light-like branes (null-branes), and their superposition and intersection rules are obtained. This is achieved by directly solving bosonic field equations for supergravity coupled to a dilaton and antisymmetric tensor fields. We discuss their possible significance.

12 pages, v2: minor corrections, refs. added, v3: expressions of the solutions modified

References in corpus (1)

• Intersection Rules for S-Branes

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