There is an opening for a PhD position (TV-L E13 50%) in the area of theoretical mesoscopic physics in the group of Prof. Rosenow at the university of Leipzig. Research will be focused on the theory of non-equilibrium transport in interacting nano-systems and the theory of quantum Hall systems. Candidates should be highly motivated and have a strong background in theoretical condensed matter physics. Review of applications will begin immediately and will continue until the position is filled. Applications including a CV, a list of publications, and a research statement in a single pdf file should be sent to rosenow_at_physik.uni-leipzig.de. Two letters of recommendation should be sent independently to the same address.