D-branes on a Noncompact Singular Calabi-Yau Manifold

Details D-branes on a Noncompact Singular Calabi-Yau Manifold D-branes on a Noncompact Singular Calabi-Yau Manifold

2000-11-12

arxiv.org/abs/hep-th/0011091v3

JHEP 0102:015,2001

Physics

High Energy Physics

High Energy Physics - Theory

31 pages, LaTeX, 1 figure, amsmath, minor changes, references are added, a figure is added

Scientific paper

10.1088/1126-6708/2001/02/015

We investigate D-branes on a noncompact singular Calabi-Yau manifold by using the boundary CFT description, and calculate the open string Witten indices between the boundary states. The B-type D-branes turn out to be characterized by the properties of a compact positively curved manifold. We give geometric interpretations to these boundary states in terms of coherent sheaves of the manifold.

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