1. Max-Planck-Institut für Polymerforschung, Ackermannweg 10, 55128 Mainz, Germany
2. Institute of Physical Chemistry and Center of Computational Sciences, Johannes Gutenberg University Mainz, Staudinger Weg 9, 55128 Mainz, Germany
3. Dahlem Center for Complex Quantum Systems, Physics Department, Freie Universität Berlin, Arnimallee 14, 14195 Berlin, Germany