D-branes at Singular Curves of Calabi-Yau Compactifications

Details D-branes at Singular Curves of Calabi-Yau Compactifications D-branes at Singular Curves of Calabi-Yau Compactifications

2000-01-20

arxiv.org/abs/hep-th/0001132v1

JHEP 0004:020,2000

Physics

High Energy Physics

High Energy Physics - Theory

25 pages, latex

Scientific paper

10.1088/1126-6708/2000/04/020

We study the Gepner model description of D-branes in Calabi-Yau manifolds with singular curves. From a geometrical point of view, the resolution of singularities leads to additional homology cycles around which branes can wrap. Using techniques from conformal field theory we address the construction of boundary states for branes wrapping additional 3-cycles on the resolved Calabi-Yau manifold. Explicit formulas are provided for Z_2 singular curves.

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