Exactly Marginal Deformations of N=4 SYM and of its Supersymmetric Orbifold Descendants

Details Exactly Marginal Deformations of N=4 SYM and of its Supersymmetric Orbifold Descendants Exactly Marginal Deformations of N=4 SYM and of its Supersymmetric Orbifold Descendants

2002-04-04

arxiv.org/abs/hep-th/0204045v2

JHEP 0205:029,2002

Physics

High Energy Physics

High Energy Physics - Theory

25 pages, 1 figure. v2: added preprint number, references added

Scientific paper

10.1088/1126-6708/2002/05/029

In this paper we study exactly marginal deformations of field theories living on D3-branes at low energies. These theories include N=4 supersymmetric Yang-Mills theory and theories obtained from it via the orbifolding procedure. We restrict ourselves only to orbifolds and deformations which leave some supersymmetry unbroken. A number of new families of N=1 superconformal field theories are found. We analyze the deformations perturbatively, and also by using general arguments for the dimension of the space of exactly marginal deformations. We find some cases where the space of perturbative exactly marginal deformations is smaller than the prediction of the general analysis at least up to three-loop order), and other cases where the perturbative result (at low orders) has a non-generic form.

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