Exotic quantum dark states S. Kulin, Y. Castin, M. Ol'shanii, E. Peik, B. Saubaméa, M. Leduc and C. Cohen-Tannoudji Eur. Phys. J. D, 7 3 (1999) 279-284 Published online: 15 October 1999 DOI: 10.1007/s100530050570