1. Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM, 87545, USA
2. Center for Nonlinear Studies, Los Alamos National Laboratory, Los Alamos, NM, 87545, USA
3. Department of Chemical and Biomolecular Engineering, Rice University, 6100 Main Street, Houston, TX 77005-1892, USA
4. Materials Physics and Applications Division, Los Alamos National Laboratory, Los Alamos, New Mexico, 87545, USA
5. Center for Integrated Nanotechnologies, Los Alamos National Laboratory, Los Alamos, NM, 87545, USA
6. Department of Materials Science and Engineering, Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India