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PreprintCC BY 4.0arXiv

Tunable parametric vibrations in fluid ferroelectric fibres

  • Alexander Dieter-Jarosik
  • Hajnalka Nádasi
  • Rachel Tuffin
  • Melanie Klasen-Memmer
  • Alexey Eremin
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Abstract

Freely suspended ferroelectric-nematic fibres combine 1D fluidity with macroscopic spontaneous polarisation. Under alternating electric fields, we observe a sequence of dynamical states, from subthreshold pulsations to polarity-dependent axial flow, and sustained transverse oscillations. We show that the oscillatory state arises from a parametric instability of a liquid string whose effective tension is dominated by the electrical polarisation-field coupling contribution. A Floquet model incorporating finite-time polarisation switching captures the observed resonance tongues, modal selection, and square-wave response. These results establish ferroelectric-nematic fibres as electrically programmable fluid resonators coupling polar order and interfacial flow with nonlinear vibration.

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Cite

BibTeXRIS
BibTeX
@misc{dieterjarosik2026tunable,
  title = {{Tunable parametric vibrations in fluid ferroelectric fibres}},
  author = {Alexander Dieter-Jarosik and Hajnalka Nádasi and Rachel Tuffin and Melanie Klasen-Memmer and Alexey Eremin},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.21582},
  eprint = {2609.21582},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.21582},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Tunable parametric vibrations in fluid ferroelectric fibres
AU  - Alexander Dieter-Jarosik
AU  - Hajnalka Nádasi
AU  - Rachel Tuffin
AU  - Melanie Klasen-Memmer
AU  - Alexey Eremin
PY  - 2026
DA  - 2026/09/18
PB  - arXiv
DO  - 10.48550/arxiv.2609.21582
UR  - https://arxiv.org/abs/2609.21582
AB  - Freely suspended ferroelectric-nematic fibres combine 1D fluidity with macroscopic spontaneous polarisation. Under alternating electric fields, we observe a sequence of dynamical states, from subthreshold pulsations to polarity-dependent axial flow, and sustained transverse oscillations. We show that the oscillatory state arises from a parametric instability of a liquid string whose effective tension is dominated by the electrical polarisation-field coupling contribution. A Floquet model incorporating finite-time polarisation switching captures the observed resonance tongues, modal selection, and square-wave response. These results establish ferroelectric-nematic fibres as electrically programmable fluid resonators coupling polar order and interfacial flow with nonlinear vibration.
ER  -