Screening of heavy quark free energies at finite temperatureand non-zero baryon chemical potential M. Döring, S. Ejiri, O. Kaczmarek, F. Karsch and E. Laermann Eur. Phys. J. C, 46 1 (2006) 179-189 Published online: 03 February 2006 DOI: 10.1140/epjc/s2005-02462-y