D-Brane Interactions in a Gravitational Shock Wave Background

Details D-Brane Interactions in a Gravitational Shock Wave Background D-Brane Interactions in a Gravitational Shock Wave Background

2004-03-19

arxiv.org/abs/hep-th/0403197v2

Mod.Phys.Lett. A19 (2004) 2059-2068

Physics

High Energy Physics

High Energy Physics - Theory

To be published in Modern Physics Letters A, revised version with references added, 12 pages

Scientific paper

10.1142/S0217732304015336

We study D-branes in the background of a gravitational shock wave. We consider the case of parallel D-branes located on opposite sides with respect to the shock wave. Their interaction is studied by evaluating the cylinder diagram using the boundary states technique. Boundary states are defined at each D-brane and their scalar product is evaluated after propagation through the shock wave. Taking the limit where the gravitational shock wave vanishes we show that the amplitude evaluated is consistent with the flat space-time result.

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