IR-Singularities in Noncommutative Perturbative Dynamics?

Details IR-Singularities in Noncommutative Perturbative Dynamics? IR-Singularities in Noncommutative Perturbative Dynamics?

2002-02-15

arxiv.org/abs/hep-th/0202093v2

Europhys.Lett. 67 (2004) 186-190

Physics

High Energy Physics

High Energy Physics - Theory

6 pages, amsLaTeX

Scientific paper

10.1209/epl/i2003-10285-9

We analyse the IR-singularities that appear in a noncommutative scalar
quantum field theory on $\mathcal{E}_4$. We demonstrate with the help of the
quadratic one-loop effective action and an appropriate field redefinition that
no IR-singularities exist. No new degrees of freedom are needed to describe the
UV/IR-mixing.

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