Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2011-01-26
Phys.Rev.D83:065010,2011
Physics
High Energy Physics
High Energy Physics - Theory
20 pages, no figures
Scientific paper
10.1103/PhysRevD.83.065010
We discuss a deformation of superspace based on a hermitian twist. The twist implies a $\star$-product that is noncommutative, hermitian and finite when expanded in power series of the deformation parameter. The Leibniz rule for the twisted SUSY transformations is deformed. A minimal deformation of the Wess-Zumino action is proposed and its renormalizability properties are discussed. There is no tadpole contribution, but the two-point function diverges. We speculate that the deformed Leibniz rule, or more generally the twisted symmetry, interferes with renormalizability properties of the model. We discuss different possibilities to render a renormalizable model.
Dimitrijevic Marija
Nikolic Biljana
Radovanovic Voja
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