Abel Santos (1) Landau, L D (institute Of Physical Problems, Pitaevskii, L. P. (institute For Physical Problems, Lifshitz, E.m. (1) Riad, Sedki, Salama, Iman (1) Elliott, Daniel S. (purdue University (1) Achouri, Karim (ecole Polytechnique De Montreal, Caloz, Christophe (ecole Polytechnique De Montreal (1)