# Anomalous Hall effect for the phonon heat conductivity in paramagnetic dielectric

Source: [Anomalous Hall effect for the phonon heat conductivity in paramagnetic dielectric](<https://www.sota2.com/research/paper/68fa27b62c2a3760193c465d>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2025-10-28T13:52:45.640Z

Authors: Yu. Kagan, L. A. Maksimov

Published: 2007-07-17T16:46:29.000Z

## Abstract

The theory of anomalous Hall effect for the heat transfer in a paramagnetic dielectric, discovered experimentally in \[1\], is developed. The appearance of the phonon heat flux normal to both the temperature gradient and the magnetic field is connected with the interaction of magnetic ions with the crystal field oscillations. In crystals with an arbitrary phonon spectrum this interaction creates the elliptical polarization of phonons. The kinetics related to phonon scattering induced by the spin-phonon interaction determines an origin of the off-diagonal phonon density matrix. The combination of the both factors is decisive for the phenomenon under consideration.

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## Original sources and implementation

[Original paper](<https://arxiv.org/abs/0707.2565>)

[PDF](<https://arxiv.org/pdf/0707.2565.pdf>)