Penrose limits, supergravity and brane dynamics

Details Penrose limits, supergravity and brane dynamics Penrose limits, supergravity and brane dynamics

2002-02-18

arxiv.org/abs/hep-th/0202111v2

Class.Quant.Grav.19:4753,2002

Physics

High Energy Physics

High Energy Physics - Theory

67 pages

Scientific paper

10.1088/0264-9381/19/18/310

We investigate the Penrose limits of classical string and M-theory backgrounds. We prove that the number of (super)symmetries of a supergravity background never decreases in the limit. We classify all the possible Penrose limits of AdS x S spacetimes and of supergravity brane solutions. We also present the Penrose limits of various other solutions: intersecting branes, supersymmetric black holes and strings in diverse dimensions, and cosmological models. We explore the Penrose limit of an isometrically embedded spacetime and find a generalisation to spaces with more than one time. Finally, we show that the Penrose limit is a large tension limit for all branes including those with fields of Born--Infeld type.

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