Less is More: Non-renormalization Theorems from Lower Dimensional Superspace

Details Less is More: Non-renormalization Theorems from Lower Dimensional Superspace Less is More: Non-renormalization Theorems from Lower Dimensional Superspace

2004-09-07

arxiv.org/abs/hep-th/0409091v1

Int.J.Mod.Phys. A20 (2005) 4546-4553

Physics

High Energy Physics

High Energy Physics - Theory

8 pages, based on talk given by Z. Guralnik at 8th Workshop on Non-perturbative QCD, Paris, June 2004

Scientific paper

10.1142/S0217751X05028193

We discuss a new class of non-renormalization theorems in N=4 and N=2
Super-Yang-Mills theory, obtained by using a superspace which makes a lower
dimensional subgroup of the full supersymmetry manifest. Certain Wilson loops
(and Wilson lines) belong to the chiral ring of the lower dimensional
supersymmetry algebra, and their expectation values can be computed exactly.

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