Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2005-04-13
JHEP 0601:096,2006
Physics
High Energy Physics
High Energy Physics - Theory
56 pages, 36 figures, JHEP. v2: added references, corrected figures 9, 10, some minor changes
Scientific paper
10.1088/1126-6708/2006/01/096
We describe a technique which enables one to quickly compute an infinite number of toric geometries and their dual quiver gauge theories. The central object in this construction is a ``brane tiling,'' which is a collection of D5-branes ending on an NS5-brane wrapping a holomorphic curve that can be represented as a periodic tiling of the plane. This construction solves the longstanding problem of computing superpotentials for D-branes probing a singular non-compact toric Calabi-Yau manifold, and overcomes many difficulties which were encountered in previous work. The brane tilings give the largest class of N=1 quiver gauge theories yet studied. A central feature of this work is the relation of these tilings to dimer constructions previously studied in a variety of contexts. We do many examples of computations with dimers, which give new results as well as confirm previous computations. Using our methods we explicitly derive the moduli space of the entire Y^{p,q} family of quiver theories, verifying that they correspond to the appropriate geometries. Our results may be interpreted as a generalization of the McKay correspondence to non-compact 3-dimensional toric Calabi-Yau manifolds.
Franco Sebastian
Hanany Amihay
Kennaway Kristian D.
Vegh David
Wecht Brian
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