1. Department
of Physics, Michigan Technological University, Houghton, Michigan 49931, United States
2. Institute
of High
Performance Computing, 1 Fusionopolis
Way, #16-16 Connexis, Singapore, Singapore 138632
3. Chemistry Division,
Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India
4. Weapons and Materials
Research Directorate, U.S. Army Research Laboratory, Aberdeen Proving Ground, Maryland 21005, United States