Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1999-07-26
Nucl.Phys.B566:599-640,2000
Physics
High Energy Physics
High Energy Physics - Theory
52 pages, 9 figures
Scientific paper
10.1016/S0550-3213(99)00646-X
We investigate field theories on the worldvolume of a D3-brane transverse to partial resolutions of a $\Z_3\times\Z_3$ Calabi-Yau threefold quotient singularity. We deduce the field content and lagrangian of such theories and present a systematic method for mapping the moment map levels characterizing the partial resolutions of the singularity to the Fayet-Iliopoulos parameters of the D-brane worldvolume theory. As opposed to the simpler cases studied before, we find a complex web of partial resolutions and associated field-theoretic Fayet-Iliopoulos deformations. The analysis is performed by toric methods, leading to a structure which can be efficiently described in the language of convex geometry. For the worldvolume theory, the analysis of the moduli space has an elegant description in terms of quivers. As a by-product, we present a systematic way of extracting the birational geometry of the classical moduli spaces, thus generalizing previous work on resolution of singularities by D-branes.
Beasley Chris
Greene Brian R.
Lazaroiu Calin Iuliu
Plesser Ronen M.
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