Reversible vertical positioning of acoustically levitated particle using a spiral reflector

Yusuke Koroyasu, Takayuki Hoshi, Yoshiki Nagatani, Daichi Tagami, Yoichi Ochiai, and Tatsuki Fushimi. Reversible vertical positioning of acoustically levitated particle using a spiral reflector. arXiv preprint arXiv:2601.04595, 2026.  https://arxiv.org/abs/2601.04595v1