1. Department of Physics, Boston University, Boston, Massachusetts 02215, United States
2. Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87546, United States
3. Center for Nonlinear Studies, Los Alamos National Laboratory, Los Alamos, New Mexico 87546, United States
4. NVIDIA Corp., Santa Clara, California 95051, United States
5. Computer, Computational, and Statistical Sciences Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
6. Center for Integrated Nanotechnologies, Los Alamos National Laboratory, Los Alamos, New Mexico 87546, United States