Dynamics of a three level atom interacting with a detuned SU (1,1) quantum system M.M.A. Ahmed, M. Sebawe Abdalla, E.M. Khalil and A.-S.F. Obada Eur. Phys. J. D, 67 9 (2013) 189 Published online: 12 September 2013 DOI: 10.1140/epjd/e2013-40079-4