1. Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory, Livermore,
California 94550, United States
2. Department of Mechanical and
Nuclear Engineering, Pennsylvania State University, State College, Pennsylvania
3. Department of Chemistry and Theoretical
Chemistry Institute, University of Wisconsin, Madison, 1101 University Avenue, Madison, Wisconsin 53706, United
States
4. Institute of Physical
Chemistry, Karlsruhe Institute of Technology, Kaiserstrasse 12,
76131 Karlsruhe, Germany