@article{bohórquez_camacho b._2002,  title={Study of dynamical dipole moment in an asymmetric double quantum well},  volume={32},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332002000200030},  DOI={10.1590/S0103-97332002000200030},  number={2a},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Bohórquez, J. and Camacho B., A. S.},  year={2002},  month={Jun},  pages={356–358} }