3 papers
cond-mat.soft2026
Viscoelasticity reshapes the frequency response of a rotating magnetic particle
Zhiyuan Zhao, Tingting Sun, Han Gao +3
A magnetic particle driven by a rotating magnetic field undergoes a transition from synchronous to asynchronous rotation at a critical driving frequency. The asynchronous dynamics…
physics.flu-dyn2026
Dynamics of a microroller under confinement
Han Gao, Nan Xie, Zaiyi Shen +3
Rotating particles can translate when placed near a surface, forming microrollers with a wide range of biomedical and microfluidic applications. In this work, we investigate the dy…
cond-mat.soft2025
Response of magnetic particle to rotating magnetic field in viscoelastic fluid
Han Gao, Zhiyuan Zhao, Masao Doi +1
The rotational dynamics of a freely suspended ferromagnetic particle in viscoelastic fluid subjected to a rotating magnetic field is studied by experiments and theory. Our result r…