Institution: | 1. Laboratoire de Physique Theorique et Modelisation, Universite de Cergy-Pontoise, F-95302 Cergy-Pontoise, France;2. Department of Micro and Nano Systems Technology, Vestfold University College, N-3103 Tønsberg, Norway;3. Theoretical Division and Center for Nonlinear Studies, Los Alamos National Laboratory, Los Alamos, NM 87545, USA |