1. Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
2. Materials Physics and Applications Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
3. Center for Nonlinear Studies, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
4. Chemistry Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States