作者机构:[1]Institute of Atomic and Molecular Physics, Jilin University,China Changchun 130012, [2]School of Science, Changchun University of Science and Technology,China Changchun 130022
相关基金:The work was supported by the National Basic Research Program of China (973 Program) under grant No. 2013CB922200 and the National Natural Science Foundation of China under grant Nos. 11034003 and 11127403.