State transfer of nS ultracold Rydberg atoms in external electric fieldsJie Chen, Hao Zhang, Limei Wang, Shanxia Bao, Linjie Zhang, Changyong Li, Jianming Zhao and Suotang JiaEur. Phys. J. D, 68 9 (2014) 265DOI: https://doi.org/10.1140/epjd/e2014-40605-x