S. Cohen (1) Cohen, Martin (1) Cohen-tannoudji, Claude (university Of Paris), Dupont-roc, Jacques (cnrs (laboratoire Kastler Brossel At The Ecole Normale Superieure); University Of Paris, Grynberg, Gilbert (ecole Polytechnique; Cnrs; University Of Paris (1) Cohen-solal, Annie (1) Eldar, Oren, Cohen, Sagi (1)