Static strings in Randall-Sundrum scenarios and the quark anti-quark potential

Details Static strings in Randall-Sundrum scenarios and the quark anti-quark potential Static strings in Randall-Sundrum scenarios and the quark anti-quark potential

2005-12-22

arxiv.org/abs/hep-th/0512295v3

Phys.Rev.D73:106006,2006; Erratum-ibid.D74:089903,2006

Physics

High Energy Physics

High Energy Physics - Theory

More clarifications added, typos corrected. Results unchanged

Scientific paper

10.1103/PhysRevD.73.106006

We calculate the energy of a static string in an AdS slice between two D3-branes with orbifold condition. The energy for configurations with endpoints on a brane grows linearly for large separation between these points. The derivative of the energy has a discontinuity at some critical separation. Choosing a particular position for one of the branes we find configurations with smooth energy. In the limit where the other brane goes to infinity the energy has a Coulombian behaviour for short separations and can be identified with the Cornell potential for a quark anti-quark pair. This identification leads to effective values for the AdS radius, the string tension and the position of the infrared brane. These results suggest an approximate duality between static strings in an AdS slice and a heavy quark anti-quark configuration in a confining gauge theory.

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