Volume 67, Number 2, July 2004
|Page(s)||186 - 190|
|Section||Interdisciplinary physics and related areas of science and technology|
|Published online||01 July 2004|
IR singularities in noncommutative perturbative dynamics?
Institut für Theoretische Physik, Technische Universität Wien Wiedner Hauptstraße 8-10, A-1040 Wien, Austria
2 Institut für Theoretische Physik, Universität Wien Boltzmanngasse 5, A-1090 Wien, Austria
3 Max-Planck-Institute for Mathematics in the Sciences Inselstraße 22-26, 04103 Leipzig, Germany
Corresponding author: firstname.lastname@example.org
Accepted: 12 May 2004
We analyse the IR singularities that appear in a noncommutative scalar quantum field theory. We demonstrate, with the help of the effective action and an appropriate field redefinition, that no IR singularities appear in the quadratic part at one-loop order. No new degrees of freedom are needed to describe the UV/IR mixing.
PACS: 11.10.Nx – Noncommutative field theory / 11.10.Gh – Renormalization
© EDP Sciences, 2004
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