Relaxed super self-duality and effective action

Details Relaxed super self-duality and effective action Relaxed super self-duality and effective action

2004-03-08

arxiv.org/abs/hep-th/0403082v2

Phys.Lett. B591 (2004) 304-310

Physics

High Energy Physics

High Energy Physics - Theory

8 pages, latex; V2: comments, references added, typos corrected

Scientific paper

10.1016/j.physletb.2004.04.030

A closed-form expression is obtained for a holomorphic sector of the two-loop Euler-Heisenberg type effective action for N = 2 supersymmetric QED derived in hep-th/0308136. In the framework of the background-field method, this sector is singled out by computing the effective action for a background N = 2 vector multiplet satisfying a relaxed super self-duality condition. The approach advocated in this letter can be applied, in particular, to the study of the N = 4 super Yang-Mills theory on its Coulomb branch.

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