1. Institute
for Theoretical Physics, University of Münster, Wilhelm-Klemm-Str. 9, 48149 Münster, Germany
2. Department
of Applied Mathematics, National Chiao Tung University, Hsinchu, 30010 Taiwan
3. Institute
for Physical Chemistry, University of Münster, Correnstrasse 28/30, 48149 Münster, Germany
4. Center
of Nonlinear Science (CeNoS), University of Münster, Corrensstrasse
2, 48149 Münster, Germany
5. Center
for Multiscale Theory and Computation(CMTC), University of Münster, Corrensstrasse 40, 48149 Münster, Germany