Eur. Phys. J. C (2005) 43: 59-62
https://doi.org/10.1140/epjc/s2005-02190-4

Theoretical Physics

Running coupling of 2-flavor QCD at zero and finite temperature

¹ Fakultät für Physik, Bielefeld University, 33615, Bielefeld, Germany
² Physics Department, Brookhaven Natl. Laboratory, NY-11973, Upton, USA

^* e-mail: zantow@quark.phy.bnl.gov

Received: 23 February 2005
Published online: 14 April 2005

Abstract

We present lattice studies of the running coupling in 2-flavor QCD. The coupling at zero temperature (T = 0) is extracted from Wilson loops while the coupling at finite temperature () is determined from Polyakov loop correlation functions.