D-Brane solutions in a light-like linear dilaton background

Details D-Brane solutions in a light-like linear dilaton background D-Brane solutions in a light-like linear dilaton background

2006-04-24

arxiv.org/abs/hep-th/0604172v2

Phys.Lett.B638:362-366,2006

Physics

High Energy Physics

High Energy Physics - Theory

12 pages, added references

Scientific paper

10.1016/j.physletb.2006.05.071

The light-like linear dilaton background presents a simple time dependent solution of type II supergravity equations of motion that preserves 1/2 supersymmetry in ten dimensions. We construct supergravity D-brane solutions in a linear dilaton background starting from the known intersecting brane solutions in string theory. By applying a Penrose limit on the intersecting (NS1-NS5-NS5')- brane solution, we find out a D5-brane in a linear dilaton background. We solve the Killing spinor equations for the brane solutions explicitly, and show that they preserve 1/4 supersymmetry. We also find a M5-brane solution in eleven dimensional supergravity.

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