@article{moura_furuya_1998,  title={The Partial Revival of the Quadrature  Variance Product in the Dynamics of the Squeezed  Vacuum Field in the Jaynes-Cummings Model},  volume={28},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97331998000200001},  DOI={10.1590/S0103-97331998000200001},  number={2},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Moura, A. P. S. de and Furuya, K.},  year={1998},  month={Jun},  pages={77–84} }