Duality Between String Junctions and D-Branes on Del Pezzo Surfaces

Details Duality Between String Junctions and D-Branes on Del Pezzo Surfaces Duality Between String Junctions and D-Branes on Del Pezzo Surfaces

2000-07-31

arxiv.org/abs/hep-th/0007243v2

Nucl.Phys. B595 (2001) 138-164

Physics

High Energy Physics

High Energy Physics - Theory

35 pages, Latex, 1 figure; typos corrected, references updated

Scientific paper

10.1016/S0550-3213(00)00655-6

We revisit local mirror symmetry associated with del Pezzo surfaces in Calabi-Yau threefolds in view of five-dimensional N=1 E_N theories compactified on a circle. The mirror partner of singular Calabi-Yau with a shrinking del Pezzo four-cycle is described as the affine 7-brane backgrounds probed by a D3-brane. Evaluating the mirror map and the BPS central charge we relate junction charges to RR charges of D-branes wrapped on del Pezzo surfaces. This enables us to determine how the string junctions are mapped to D-branes on del Pezzo surfaces.

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