RT Journal T1 Two-Dimensional Talbot Effect with Atomic Density Gratings A1 Chen Li, Tian-Wei Zhou, Jing-Gang Xiang, Yue-Yang Zhai, Xu-Guang Yue, Shi-Feng Yang, Wei Xiong, Xu-Zong Chen PB Chin. Phys. Lett. FD 2017-07-10 YR 2017 JF Chinese Physics Letters JO Chin. Phys. Lett. VO 34 IS 8 SP 084207DO 10.1088/0256-307X/34/8/084207 K1 LK {https://cpl.iphy.ac.cn/EN/article/article_70896.shtml}