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Transport, Hall Effect, and Collective Dynamics of Driven Particles in Active Chiral Media

  • C. Reichhardt
  • C. J. O. Reichhardt
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Abstract

We examine the dc driven transport of particles with Yukawa interactions through an assembly of chiral active particles undergoing circular motion. The driven particles exhibit a jammed phase, a nonlinear disordered or plastic regime where there is a finite Hall effect produced by interactions with the active chiral particles, and a high drive linear regime where the driven and nondriven particles phase separate and the Hall effect nearly disappears. The chiral particles experience strong drag and Hall effects from the driven particles, and these effects vary monotonically with changing thermal fluctuations or chiral motion parameters. The different dynamical phases are correlated with features in the longitudinal and transverse transport curves, and we map out the phases as a function of active orbit size, thermal fluctuations, and particle density.

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Cite

BibTeXRIS
BibTeX
@misc{reichhardt2026transport,
  title = {{Transport, Hall Effect, and Collective Dynamics of Driven Particles in Active Chiral Media}},
  author = {C. Reichhardt and C. J. O. Reichhardt},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2610.03977},
  eprint = {2610.03977},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2610.03977},
}
RIS
TY  - UNPB
TI  - Transport, Hall Effect, and Collective Dynamics of Driven Particles in Active Chiral Media
AU  - C. Reichhardt
AU  - C. J. O. Reichhardt
PY  - 2026
DA  - 2026/10/02
PB  - arXiv
DO  - 10.48550/arxiv.2610.03977
UR  - https://arxiv.org/abs/2610.03977
AB  - We examine the dc driven transport of particles with Yukawa interactions through an assembly of chiral active particles undergoing circular motion. The driven particles exhibit a jammed phase, a nonlinear disordered or plastic regime where there is a finite Hall effect produced by interactions with the active chiral particles, and a high drive linear regime where the driven and nondriven particles phase separate and the Hall effect nearly disappears. The chiral particles experience strong drag and Hall effects from the driven particles, and these effects vary monotonically with changing thermal fluctuations or chiral motion parameters. The different dynamical phases are correlated with features in the longitudinal and transverse transport curves, and we map out the phases as a function of active orbit size, thermal fluctuations, and particle density.
ER  -