Exactly marginal deformations of quiver gauge theories as seen from brane tilings

Details Exactly marginal deformations of quiver gauge theories as seen from brane tilings Exactly marginal deformations of quiver gauge theories as seen from brane tilings

2007-02-07

arxiv.org/abs/hep-th/0702049v2

Prog.Theor.Phys.117:923-955,2007

Physics

High Energy Physics

High Energy Physics - Theory

33 pages, 9 figures, replaced with published version

Scientific paper

10.1143/PTP.117.923

We study the relation between exactly marginal deformations in a large class of N=1 superconformal quiver gauge theories described by brane tilings and the degrees of freedom in the corresponding 5-brane systems. We show, with the help of NSVZ exact beta functions, that there are generically d-1 complex exactly marginal deformations of a gauge theory, where d is the perimeter of the corresponding n it, and the other two, the diagonal gauge coupling and a beta-like deformation, as background supergravity fields.toric diagram. We identify d-3 complex marginal deformations as deformations of the brane system and the Wilson lines on it, and the other two, the diagonal gauge coupling and a beta-like deformation, as background supergravity fields.

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