Physics – Mathematical Physics
Scientific paper
2008-03-07
J.Noncommut.Geom.4:555-576,2010
Physics
Mathematical Physics
21 pages, 4 figures. We use the techniques of the previous version in a conclusive manner on the degenerate Moyal space
Scientific paper
10.4171/JNCG/66
We prove that the self-interacting scalar field on the four-dimensional degenerate Moyal plane is renormalisable to all orders when adding a suitable counterterm to the Lagrangean. Despite the apparent simplicity of the model, it raises several non trivial questions. Our result is a first step towards the definition of renormalisable quantum field theories on a non-commutative Minkowski space.
Grosse Harald
Vignes-Tourneret Fabien
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