Abstract
We calculate the energy of a static string in an anti-de Sitter (AdS) slice between two D3-branes with orbifold condition. The energy for configurations with end points 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 behavior for short separations and can be identified with the Cornell potential for a quark antiquark 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 antiquark configuration in a confining gauge theory.
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