Superfield Effective Action in the Noncommutative Wess-Zumino Model

Details Superfield Effective Action in the Noncommutative Wess-Zumino Model Superfield Effective Action in the Noncommutative Wess-Zumino Model

2001-07-03

arxiv.org/abs/hep-th/0107022v2

Phys.Lett. B517 (2001) 191-202

Physics

High Energy Physics

High Energy Physics - Theory

14 pages, latex, minor corrections

Scientific paper

10.1016/S0370-2693(01)00970-4

We introduce the concept of superfield effective action in noncommutative N=1 supersymmetric field theories containing chiral superfields. One and two loops low-energy contributions to the effective action are found for the noncommutative Wess-Zumino model. The one loop Kahlerian effective potential coincides with its commutative counterpart. We show that the two loops nonplanar contributions to the Kahlerian effective potential are leading in the case of small noncommutativity. The structure of the leading chiral corrections to the effective action and the behaviour of the chiral effective potential in the limit of large noncommutativity are also investigated.

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