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PreprintarXiv licencearXiv

Ferron polariton Hall effect: Deflecting optically rectified polarization with magnetic fields

  • Omer Yaniv
  • Dominik M. Juraschek
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Abstract

Ferrons are elementary excitations of ferroelectric order that can propagate and transport polarization when excited with light. Here, we show theoretically that ferron polaritons exhibit a Hall effect: an applied magnetic field generates polarization transport perpendicular to the propagation direction of a ferron polariton excited by an incident terahertz pulse. We demonstrate this effect for the example of ferroelectric SnTe using first-principles calculations and a microscopic theory of the phonon-polariton current. The direction and magnitude of the transverse polarization transport can be controlled by the polarization of the terahertz pulse and the applied magnetic field. Our results establish a route toward light-controlled directional transport of electric polarization in ferroelectrics.

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Cite

BibTeXRIS
BibTeX
@misc{yaniv2026ferron,
  title = {{Ferron polariton Hall effect: Deflecting optically rectified polarization with magnetic fields}},
  author = {Omer Yaniv and Dominik M. Juraschek},
  howpublished = {arXiv},
  year = {2026},
  month = nov,
  doi = {10.48550/arxiv.2611.05025},
  eprint = {2611.05025},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2611.05025},
}
RIS
TY  - UNPB
TI  - Ferron polariton Hall effect: Deflecting optically rectified polarization with magnetic fields
AU  - Omer Yaniv
AU  - Dominik M. Juraschek
PY  - 2026
DA  - 2026/11/03
PB  - arXiv
DO  - 10.48550/arxiv.2611.05025
UR  - https://arxiv.org/abs/2611.05025
AB  - Ferrons are elementary excitations of ferroelectric order that can propagate and transport polarization when excited with light. Here, we show theoretically that ferron polaritons exhibit a Hall effect: an applied magnetic field generates polarization transport perpendicular to the propagation direction of a ferron polariton excited by an incident terahertz pulse. We demonstrate this effect for the example of ferroelectric SnTe using first-principles calculations and a microscopic theory of the phonon-polariton current. The direction and magnitude of the transverse polarization transport can be controlled by the polarization of the terahertz pulse and the applied magnetic field. Our results establish a route toward light-controlled directional transport of electric polarization in ferroelectrics.
ER  -