Intense laser field effect on impurity states in a semiconductor quantum well: transition from the single to double quantum well potentialC. A. Duque, M. E. Mora-Ramos, E. Kasapoglu, H. Sari and I. SökmenEur. Phys. J. B, 81 4 (2011) 441-449DOI: https://doi.org/10.1140/epjb/e2011-20265-0