1. Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
2. Center for Nonlinear Studies (CNLS), Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
3. National Technical University of Ukraine, Kiev 03056, Ukraine
4. Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, Michigan 48202, USA
5. Center for Integrated Nanotechnologies (CINT), Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA