Constraint dependence of average potential energy of a passive particle in an active bath

Ye Simin^{1, 2, †}, Liu Peng^{1, 2}, Wei Zixuan², Ye Fangfu^{1, 2, 3, 4, ‡}, Yang Mingcheng^{1, 2, §}, Chen Ke^{1, 2, 3, ¶}

(a) The schematic diagram of experiment system. The observing plane and center of optical trap are marked with dashed lines. (b) The image of PS particle optically trapped in a bacteria solution acquired by a 100 × magnification objective.