Penrose Limits of Non-standard Brane Intersections

Abstract

The non-standard intersection of two 5-branes and a string can give rise to AdS_3\times S^3\times S^3\times S^1. We consider the Penrose limit of this geometry and study the supersymmetry of the resulting pp-wave solution. There is a one-parameter family of Penrose limits associated with the orthogonal rotation of the two foliating circles within the two 3-spheres. Supernumerary Killing spinors arise only when the rotation angle is 45 degrees, for which case we obtain the corresponding light-cone string action that has linearly-realised supersymmetry. We also obtain Penrose limits of other non-standard intersections that give rise to the product of AdS_3 or AdS_2 and two spheres. The resulting pp-waves are supported by multiple constant field strengths.

Latex, 15 pages, references added

References in corpus (2)

• Type IIB Green-Schwarz superstring in plane wave Ramond-Ramond background
• A new maximally supersymmetric background of IIB superstring theory

Cited by in corpus (22)

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• PP-waves in AdS Gauged Supergravities and Supernumerary Supersymmetry
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• Note on I-brane Near Horizon PP-wave Background
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