1. Center for Integrated Nanotechnologies, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
2. Center for Nonlinear Studies, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
3. Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
4. Center for Integrated Nanotechnologies, Sandia National Laboratories, Albuquerque, New Mexico 87123, United States
5. Chemistry, Life, and Earth Sciences Directorate, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
6. Chemistry Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States