Geometry of open strings ending on backreacting D3-branes

Details Geometry of open strings ending on backreacting D3-branes Geometry of open strings ending on backreacting D3-branes

2011-12-13

arxiv.org/abs/1112.3035v1

Physics

High Energy Physics

High Energy Physics - Theory

64 pages, 20 figures

Scientific paper

We investigate open string theory on backreacting D3-branes using a spacetime approach. We study in detail the half-BPS supergravity solutions describing open strings ending on D3-branes, in the near horizon of the D3-branes. We recover quantitatively several non-trivial features of open string physics including the appearance of D3-brane spikes, the polarization of fundamental strings into D5-branes, and the Hanany-Witten effect. Finally we detail the computation of the gravitational potential between two open strings, and contrast it with the holographic computation of Wilson lines. We argue that the D-brane backreaction has a large influence on the low-energy gravity, which may lead to experimental tests for string theory brane-world scenarios.

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