Renormalization of Non-Commutative Phi^4_4 Field Theory in x Space

Details Renormalization of Non-Commutative Phi^4_4 Field Theory in x Space Renormalization of Non-Commutative Phi^4_4 Field Theory in x Space

2005-12-21

arxiv.org/abs/hep-th/0512271v2

Commun.Math.Phys.267:515-542,2006

Physics

High Energy Physics

High Energy Physics - Theory

32 pages, v2: correction of lemmas 3.1 and 3.2 with no consequence on the main result

Scientific paper

10.1007/s00220-006-0055-8

In this paper we provide a new proof that the Grosse-Wulkenhaar non-commutative scalar Phi^4_4 theory is renormalizable to all orders in perturbation theory, and extend it to more general models with covariant derivatives. Our proof relies solely on a multiscale analysis in x space. We think this proof is simpler and could be more adapted to the future study of these theories (in particular at the non-perturbative or constructive level).

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