Superspace approach to anomalous dimensions in {\cal N}=4 SYM

Details Superspace approach to anomalous dimensions in {\cal N}=4 SYM Superspace approach to anomalous dimensions in {\cal N}=4 SYM

2001-07-09

arxiv.org/abs/hep-th/0107071v2

Nucl.Phys. B614 (2001) 367-387

Physics

High Energy Physics

High Energy Physics - Theory

23 pages, 8 figures; v2: conclusions about O_20 are changed

Scientific paper

10.1016/S0550-3213(01)00414-X

In a {\cal N}=1 superspace setup and using dimensional regularization, we give a general and simple prescription to compute anomalous dimensions of composite operators in {\cal N}=4, SU(N) supersymmetric Yang-Mills theory, perturbatively in the coupling constant g. We show in general that anomalous dimensions are responsible for the appearance of higher order poles in the perturbative expansion of the two-point function and that their lowest contribution can be read directly from the coefficient of the 1/\epsilon^2 pole. As a check of our procedure we rederive the anomalous dimension of the Konishi superfield at order g^2. We then apply this procedure to the case of the double trace, dimension 4, superfield in the 20 of SU(4) recently considered in the literature. We find that its anomalous dimension vanishes for all N in agreement with previous results.

Affiliated with

Also associated with

No associations

Rating

Superspace approach to anomalous dimensions in {\cal N}=4 SYM does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Superspace approach to anomalous dimensions in {\cal N}=4 SYM, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Superspace approach to anomalous dimensions in {\cal N}=4 SYM will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-366845