IR-Singularities in Noncommutative Perturbative Dynamics?
classification
✦ hep-th
keywords
ir-singularitiesfieldnoncommutativeactionanalyseappearappropriatedegrees
read the original abstract
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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