Open string modes at brane intersections

Details Open string modes at brane intersections Open string modes at brane intersections

2006-02-17

arxiv.org/abs/hep-th/0602174v2

JHEP0604:037,2006

Physics

High Energy Physics

High Energy Physics - Theory

58 pages, 3 figures, LaTeX;v2: typos corrected

Scientific paper

10.1088/1126-6708/2006/04/037

We study systematically the open string modes of a general class of BPS intersections of branes. We work in the approximation in which one of the branes is considered as a probe embedded in the near-horizon geometry generated by the other type of branes. We mostly concentrate on the D3-D5 and D3-D3 intersections, which are dual to defect theories with a massive hypermultiplet confined to the defect. In these cases we are able to obtain analytical expressions for the fluctuation modes of the probe and to compute the corresponding mass spectra of the dual operators in closed form. Other BPS intersections are also studied and their fluctuation modes and spectra are found numerically.

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