Physical Review E
Invasion of a magnetic-bead-laden droplet placed over a hole in the presence of a magnetic field
Author(s): Ting Zhong, Gaoxiao Jiang, Rui Ma, and Chenxu Wu
How a magnetic-bead-laden droplet is manipulated by a magnetic field remains a challenging topic of quantitative investigation. In this paper, we propose a theoretical model to investigate the equilibrium states of a magnetic-bead-laden droplet placed over either a bottomed superhydrophobic cylindri…
[Phys. Rev. E 113, 035102] Published Wed Mar 11, 2026
Virtual states and exponential decay in small-scale dynamo
Author(s): A. V. Kopyev, V. A. Sirota, A. S. Il'yn, and K. P. Zybin
We develop the Kazantsev theory of small-scale dynamo generation at small Prandtl numbers near the generation threshold and restore the concordance between the theory and numerical simulations: the theory predicted a power-law decay below the threshold, while simulations demonstrate exponential deca…
[Phys. Rev. E 113, 035101] Published Mon Mar 02, 2026
Hydrodynamic instabilities in driven chiral suspensions
Author(s): Seema Chahal and Brato Chakrabarti
Active Stokesian suspensions are conventionally understood to generate dipolar stresses that destabilize aligned states in the bulk and drive systemwide spatiotemporally chaotic flows. Here, we report dynamics in suspensions of torque-driven spinning chiral particles that exhibit a distinct and prev…
[Phys. Rev. E 113, L023101] Published Thu Feb 26, 2026
Scale-dependent breakdown of isotropic turbulence by off-axis rotation
Author(s): Yijie Wang, Jun Chen, and Leonardo P. Chamorro
An experimental investigation was conducted to explore the interplay of turbulence and noninertial effects introduced by off-axis rotation on isotropic-turbulence dynamics using tomographic particle image velocimetry. A cubic box, generating isotropic turbulence with the aid of eight mixers position…
[Phys. Rev. E 113, 025104] Published Thu Feb 19, 2026
Translation and shape deformation of a microbubble driven by an acoustic traveling wave
Author(s): Stephen J. Shaw
The forcing of a micron sized gas bubble by an acoustic traveling wave in water is considered using a model which includes axisymmetric shape mode interactions to third order. In all cases, the resultant bubble motion is predicted to consist of small scale periodic oscillations superimposed upon a l…
[Phys. Rev. E 113, 025103] Published Wed Feb 18, 2026