Dear collegues and friends, the quantum field theory group in Jena (senior members: Martin Ammon, Holger Gies, Andre Sternbeck, Andreas Wipf and Luca Zambelli) is offering 2 PhD position in the field of strongly correlated systems. Further details about the openings are found on the web-page https://inspirehep.net/record/1623400 If you know possible candiates for the announce positions -- please let them know. Best regards, Andreas Wipf