TY - Chin. Phys. Lett. A1 - Xu-Dan Chai, Zi-Fa Yu, Ai-Xia Zhang, Ju-Kui Xue T1 - Sound Wave of Spin–Orbit Coupled Bose–Einstein Condensates in Optical Lattice Y1 - 2017-08-08 JF - Chinese Physics Letters JO - Chin. Phys. Lett. SP - 090301EP - VL - 34 IS - 9 UR - https://cpl.iphy.ac.cn N1 - 10.1088/0256-307X/34/9/090301 ER -