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A novel near-field thermal Hall effect is predicted in magneto-optical particle networks. A constant magnetic field breaks symmetry, creating preferred heat transport channels via near-field interactions and particle anisotropy.

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Area of Science:

  • Condensed matter physics
  • Nanophotonics
  • Thermal transport

Background:

  • The Righi-Leduc effect describes transverse thermal gradients in conductors under magnetic fields.
  • Near-field thermal radiation is crucial for nanoscale heat transfer.
  • Magneto-optical materials offer tunable optical and magnetic properties.

Purpose of the Study:

  • To predict a near-field thermal Hall effect in networks of magneto-optical particles.
  • To investigate the role of magnetic fields and particle anisotropy in thermal transport.

Main Methods:

  • Theoretical prediction of a many-body thermal Hall effect.
  • Analysis of near-field heat transport mediated by magneto-optical particle networks.
  • Modeling symmetry breaking induced by an external magnetic field.

Main Results:

  • Prediction of a near-field thermal Hall effect (Righi-Leduc effect) in magneto-optical particle networks.
  • Demonstration that a constant magnetic field induces symmetry breaking.
  • Identification of preferential heat transport channels due to particle anisotropy tuning.

Conclusions:

  • The study predicts a novel near-field thermal Hall effect driven by magnetic field-induced symmetry breaking.
  • Particle anisotropy is key to tuning heat transport pathways in these networks.
  • This work opens avenues for controlling thermal energy at the nanoscale.