Controlling complex Langevin dynamics at finite density Gert Aarts, Lorenzo Bongiovanni, Erhard Seiler, Dénes Sexty and Ion-Olimpiu Stamatescu Eur. Phys. J. A, 49 7 (2013) 89 Published online: 17 July 2013 DOI: 10.1140/epja/i2013-13089-4