RG flow of the Polyakov-loop potential: First status report

Details RG flow of the Polyakov-loop potential: First status report RG flow of the Polyakov-loop potential: First status report

2006-10-25

arxiv.org/abs/hep-ph/0610341v1

AIP Conf.Proc.775:162-172,2005

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 2 figures

Scientific paper

10.1063/1.1961053

We study SU(2) Yang-Mills theory at finite temperature in the framework of the functional renormalization group. We concentrate on the effective potential for the Polyakov loop which serves as an order parameter for confinement. In this first status report, we focus on the behaviour of the effective Polyakov-loop potential at high temperatures. In addition to the standard perturbative result, our findings provide information about the ``RG improved'' backreactions of Polyakov-loop fluctuations on the potential. We demonstrate that these fluctuations establish the convexity of the effective potential.

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