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DPG

Heidelberg 2007 – scientific programme

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T: Fachverband Teilchenphysik

T 208: Gittereichtheorie

T 208.4: Talk

Tuesday, March 6, 2007, 17:30–17:45, KIP SR 2.403

Following Gluonic World Lines to Find the QCD Coupling in the Infrared — •Dmitri Antonov and Hans-Juergen Pirner — Institut für Theoretische Physik, Universität Heidelberg, Philosophenweg 19, 69120 Heidelberg

We calculate the polarization operator of a valence gluon propagating in the confining background using a parametrization of the Wilson loop with the minimal-area law. This enables us to obtain the infrared freezing of the running strong coupling in the confined and deconfined phases.

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