Theoretische Physik III, Universität Augsburg, GERMANY
Ralf.Bulla@physik.uni-augsburg.de
David E. Logan
Oxford University, Physical and Theoretical Chemistry Laboratory, Oxford, UK
dlogan@physchem.ox.ac.uk
Avraham Schiller
Racah Institute of Physics, The Hebrew University, Jerusalem, Israel
avraham@phys.huji.ac.il