Weak-focused acoustic vortex generated by a focused ring array of planar transducers and its application in large-scale rotational object manipulation
Yuzhi Li(李禹志), Peixia Li(李培霞), Ning Ding(丁宁), Gepu Guo(郭各朴), Qingyu Ma(马青玉), Juan Tu(屠娟), and Dong Zhang(章东)
中国物理B . 2021, (4): 44302 .  DOI: 10.1088/1674-1056/abca1f